The spottail pinfish (''Diplodus holbrookii'') is an

ocean The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as ''oceans'' (the Pacific, Atlantic, Indian Ocean, Indian, Southern Ocean ...

-going

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Sparidae Sparidae is a family of ray-finned fishes belonging to the order Spariformes, the seabreams and porgies, although they were traditionally classified in the order Perciformes. The over 150 species are found in shallow and deep marine waters in t ...

. It is also known as the spottail seabream or spottail pinkish porgy. Along with other members of their family, spottail pinfish are occasionally eaten and considered by some to be a

panfish The word panfish, also spelled pan-fish or pan fish, is an American English term describing any food fish, edible freshwater fish that usually do not outgrow the size of an average frying pan. It is also commonly used by recreational fishing, re ...

Taxonomy

The spottail pinfish was first formally described as ''Sargus holbrookii'' in 1878 by

Tarleton Hoffman Bean Tarleton Hoffman Bean (October 8, 1846 – December 28, 1916) was an American ichthyologist. Biography and education Tarleton Hoffman Bean was born to George Bean and Mary Smith Bean in Bainbridge, Pennsylvania, on October 8, 1846. He attende ...

with its type locality given as the Savannah Bank off

Charleston, South Carolina Charleston is the List of municipalities in South Carolina, most populous city in the U.S. state of South Carolina. The city lies just south of the geographical midpoint of South Carolina's coastline on Charleston Harbor, an inlet of the Atla ...

. This species is part of the ''

Diplodus sargus ''Diplodus sargus'', the sargo, common white seabream, or white seabream is a species of marine Actinopterygii, ray-finned fish belonging to the Family (biology), family Sparidae, which includes the seabreams and porgies. This fish is found in t ...

species complex In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each oth ...

within the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

Diplodus ''Diplodus'' is a genus of marine ray-finned fish belonging the family Sparidae, which includes the seabreams and porgies. These fishes are found in the Atlantic Ocean, the Mediterranean Sea and the western Indian Ocean. Taxonomy ''Diplodus'' wa ...

''. The genus ''

'' is placed in the family Sparidae within the

order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...

Spariformes Spariformes is an order of ray-finned fishes consisting of six families within the series Percomorpha. Taxonomy Spariformes was first used as a taxonomic term in 1860 by the Dutch physician, herpetologist and ichthyologist Pieter Bleeker. Trad ...

by the 5th edition of ''

Fishes of the World ''Fishes of the World'' is a standard reference for the systematics of fishes. It was first written in 1976 by the American ichthyologist Joseph S. Nelson (1937–2011). Now in its fifth edition (2016), the work is a comprehensive overview of t ...

''. Some authorities classify this genus in the subfamily Sparinae, but the 5th edition of Fishes of the World does not recognize subfamilies within the Sparidae.

Etymology

The spottail pinfish honours the American

physician A physician, medical practitioner (British English), medical doctor, or simply doctor is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the Medical education, study, Med ...

and

naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

John Edwards Holbrook John Edwards Holbrook (December 31, 1796 – September 8, 1871) was an American zoologist, herpetologist, physician, and naturalist, born in Beaufort, South Carolina, the son of Silas Holbrook, a teacher, and Mary Edwards. Although Holbrook's memo ...

who wrote the ''Ichthyology of South Carolina'' published in 1855.

Description

Spottail pinfish have a deep, ovoid, laterally compressed body with a small, deep head and a pointed snout. They have a small mouth which just reaches under the front of the eye. There are six large, flattened

incisor Incisors (from Latin ''incidere'', "to cut") are the front teeth present in most mammals. They are located in the premaxilla above and on the mandible below. Humans have a total of eight (two on each side, top and bottom). Opossums have 18, wher ...

-like teeth in the front of each jaw with three rows of molar-like teeth on the sides of the jaws. The

dorsal fin A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous. They are found ...

is supported by 12 spines, with the fourth spine having a length equivalent to 40% of the length of the head, and between 13 and 16 soft rays. The

anal fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported o ...

contains three spines and between 13 and 15 soft rays. The

pectoral fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish aquatic locomotion, swim. Apart from the tail or caudal fin, fish fins have no direct connection with the vertebral column ...

s are much longer than the

pelvic fin Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other being the laterally positioned pectoral fins). The pelvic fins are homologous to the hi ...

s. The cheeks are scaled but the snout is naked. The upper body is steely blue in color, the flanks are silvery. There is a large black blotch on the

caudal peduncle Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported only ...

. The membrane of the operculum is dark. Juveniles have dark bars on the body. This species has a maximum published

total length Fish measurement is the measuring of individual fish and various parts of their anatomies, for data used in many areas of ichthyology, including taxonomy and fishery biology. Overall length Standard length (SL) is the length of a fish measured f ...

of , although is more typical.

Distribution and habitat

Spottail pinfish are exclusive to the western

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

. They can be found from the

Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Ea ...

to southern

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

. Spottail pinfish are also known from the northern

Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...

, but are not known from the

West Indies The West Indies is an island subregion of the Americas, surrounded by the Atlantic Ocean, North Atlantic Ocean and the Caribbean Sea, which comprises 13 independent island country, island countries and 19 dependent territory, dependencies in thr ...

. There are only questionable reports from

Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...

. Spottail pinfish are common to shallow waters (only as deep as ) near coasts, such as

bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a ''gulf'', ''sea'', ''sound'', or ''bight''. A ''cove'' is a small, ci ...

s and

harbor A harbor (American English), or harbour (Commonwealth English; see spelling differences), is a sheltered body of water where ships, boats, and barges can be moored. The term ''harbor'' is often used interchangeably with ''port'', which is ...

s, though only rarely in brackish areas. They prefer flat, vegetated bottoms such as beds of

sea grass Seagrasses are the only flowering plants which grow in marine (ocean), marine environments. There are about 60 species of fully marine seagrasses which belong to four Family (biology), families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and ...

, where they feed on a mixture of plants (such as '' Thalassia'') and small

invertebrates Invertebrates are animals that neither develop nor retain a vertebral column (commonly known as a ''spine'' or ''backbone''), which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordate subphylum ...

Behavior

Spottail pinfish

school A school is the educational institution (and, in the case of in-person learning, the Educational architecture, building) designed to provide learning environments for the teaching of students, usually under the direction of teachers. Most co ...

in small numbers, but generally mix with many other species such as the

porkfish ''Anisotremus virginicus'', the porkfish, also known as the Atlantic porkfish sweetlips, dogfish or paragrate grunt, is a species of marine ray-finned fish, a grunt belonging to the family Haemulidae. It is native to the western Atlantic Ocean. ...

, gray snapper, bluestriped grunt,

sailor's grunt ''Haemulon parra'', also known by the common names sailor's grunt and sailor's choice, is a species of Haemulidae, grunt native to the Atlantic Ocean. Taxonomy ''Haemulon parra'' was described in 1823 by Anselme Gaëtan Desmarest. Its genus name ...

, and the bucktooth parrotfish. This species is thought to

spawn Spawn or spawning may refer to: * Spawning, the eggs and sperm of aquatic animals Arts, entertainment and media * Spawn (character), a fictional character in the comic series of the same name and in the associated franchise ** ''Spawn: Armageddon' ...

offshore, in rather shallow seas, during the winter or early spring. Breeding likely takes place just annually lasting for only around two months. Fish in breeding condition have been measured from and the gonads develop in the months leading up to spawning.

Fisheries

Spottail pinfish is caught by commercial fisheries in all areas in which it occurs. The fish landed are usually

bycatch Bycatch (or by-catch), in the fishing industry, is a fish or other marine species that is caught unintentionally while fishing for specific species or sizes of wildlife. Bycatch is either the wrong species, the wrong sex, or is undersized or juve ...

and are commonly caught on hook and line and by

seine net Seine fishing (or seine-haul fishing; ) is a method of fishing that employs a surrounding net, called a seine, that hangs vertically in the water with its bottom edge held down by weights and its top edge buoyed by floats. Seine nets can be de ...

gill nets Gillnetting is a fishing method that uses gillnets: vertical panels of netting that hang from a line with regularly spaced floaters that hold the line on the surface of the water. The floats are sometimes called "corks" and the line with corks is ...

and shallow water

trawling Trawling is an industrial method of fishing that involves pulling a fishing net through the water behind one or more boats. The net used for trawling is called a trawl. This principle requires netting bags which are towed through water to catch di ...

. This species is a bycatch in shrimp trawl fisheries and is a very common bycatch in

North Carolina North Carolina ( ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina to the south, Georgia (U.S. stat ...

’s

black sea bass The black sea bass (''Centropristis striata'') is a species of marine ray-finned fish, a sea bass from the subfamily Serraninae which is part of the family Serranidae, which also includes the groupers and anthias. It is found in the western ...

commercial

fish trap A fish trap is a animal trapping, trap used for fishing, catching fish and other aquatic animals of value. Fish traps include fishing weirs, lobster trap, cage traps, fish wheels and some fishing net rigs such as fyke nets. The use of traps ar ...

fishery.

References

External links

* * * {{Taxonbar, from=Q2669616 spotted pinfish Fauna of the Southeastern United States Fish of the Gulf of Mexico spotted pinfish