The bobo mullet (''Joturus pichardi''), is a
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species.
The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...
of the
mullet family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Mugilidae
The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. Mullets have served as an important source of food in Mediterranean Europe since ...
. It is the
only species in the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
''Joturus'', one of 17 mullet genera containing altogether about 80 species of
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species.
The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...
.
[ It occurs in rivers, including ]brackish water
Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...
s, in much of the Gulf of Mexico
The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United S ...
basin from Mexico
Mexico ( Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guate ...
as far south as Panama
Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Co ...
and the Caribbean coast of Colombia, as well as the West Indies
The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Great ...
and the United States state of Florida
Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...
. The specific name honours the Cuba
Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
n lexicographer
Lexicography is the study of lexicons, and is divided into two separate academic disciplines. It is the art of compiling dictionaries.
* Practical lexicography is the art or craft of compiling, writing and editing dictionaries.
* Theoretica ...
and geographer
A geographer is a physical scientist, social scientist or humanist whose area of study is geography, the study of Earth's natural environment and human society, including how society and nature interacts. The Greek prefix "geo" means "earth" a ...
Esteban Pichardo (1799-1879).
Distribution
In Costa Rica it is found in the east of the country along the Caribbean coast, especially in the north, for example in the drainages of the Parismina River
Barra del Parismina is a village of about 500 people located on the Caribbean coast of Costa Rica, at the mouth of the Reventazón River. Parismina is about halfway between Tortuguero and Limón on the Tortuguero canals. There is no road to Par ...
, where it is not abundant,[ and up to 600m in altitude in the rivers of the ]Maquenque National Wildlife Refuge
Maquenque Wildlife Refuge ( es, Refugio de Vida Silvestre Maquenque), is a protected area in Costa Rica, managed under the Arenal Huetar Norte Conservation Area, it was created in 2005 by decree 32405-MINAE.
It connects Tortuguero National Park ...
, where it is uncommon.
Ecology
It is a fish which lives in warm parts of large mountain streams, but migrates downstream ( catadromy) to breed in estuaries
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environme ...
. Fry inhabit marine waters of the estuary. It is found around large boulders in clear, swift-flowing waters when adult, sharing this habitat with ''Sicydium
''Sicydium'' is a genus of gobies native to fast-flowing streams and rivers of the Americas (Central America, Mexico, Cocos Island, the Caribbean, Colombia, Ecuador and Venezuela) with a couple species native to Middle Africa.
Species
There ...
'' sp. (''chupapiedras'') and '' Dajaus monticola'' (''tepemechín'') in Costa Rica. It feeds on macroinvertebrate
Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate s ...
s, and on algae
Algae ( , ; : alga ) are any of a large and diverse group of photosynthetic, eukaryotic organisms. The name is an informal term for a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from ...
carpeting underwater rocks.[
]
Uses
In Costa Rica it is known as ''bobo'' or ''pez bobo''.[ It is fished here for subsistence consumption and sometimes commercially. It is sought for its size and good flavour.][
]
Conservation
Its migration may be interrupted by hydroelectrical projects. It has historically suffered from population decrease and overfishing
Overfishing is the removal of a species of fish (i.e. fishing) from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stock), resulting in the ...
in Costa Rica. It might be under threat from agricultural run-off from banana or pineapple plantations. It is not under any legal protection in Costa Rica.[ It is found in the ]Maquenque National Wildlife Refuge
Maquenque Wildlife Refuge ( es, Refugio de Vida Silvestre Maquenque), is a protected area in Costa Rica, managed under the Arenal Huetar Norte Conservation Area, it was created in 2005 by decree 32405-MINAE.
It connects Tortuguero National Park ...
[ and ]Tortuguero National Park
Tortuguero National Park is a national park in the Limón Province of Costa Rica. It is situated within the Tortuguero Conservation Area of the northeastern part of the country.
Despite its remote location, reachable only by airplane or boat, ...
.[
]
References
{{Taxonbar, from1=Q19827834, from2=Q2289205
Mugilidae