Ommastrephidae is a
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 ...
of
squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting ...
containing three
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
, 11
genera
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 ...
, and over 20
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 ...
. They are widely distributed globally and are extensively fished for food. One species, ''
Todarodes pacificus
The Japanese flying squid, Japanese common squid or Pacific flying squid, scientific name ''Todarodes pacificus'', is a squid of the family Ommastrephidae. This animal lives in the northern Pacific Ocean, in the area surrounding Japan, along th ...
'', comprises around half of the world's
cephalopod
A cephalopod is any member of the molluscan class Cephalopoda ( Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, ...
catch annually.
Some members of Ommastrephidae (
volplaning species) are known to have the ability to glide out of water, earning them the common name of "flying squid".
Description

The ommastrephids are small to large squids, with
mantle lengths ranging from that of the glass squid (''
Hyaloteuthis pelagica'') at ,
[Nesis, K. N. 1982. Abridged key to the cephalopod mollusks of the world's ocean. 385,ii pp. Light and Food Industry Publishing House, Moscow. (In Russian.). Translated into English by B. S. Levitov, ed. by L. A. Burgess (1987), Cephalopods of the world. T. F. H. Publications, Neptune City, NJ, 351pp.] to the Humboldt squid (''
Dosidicus gigas'') at .
[Glaubrecht, M. & M.A. Salcedo-Vargas 2004. The Humboldt squid ''Dosidicus gigas'' (Orbigny, 1835): History of the Berlin specimen, with a reappraisal of other (bathy-)pelagic gigantic cephalopods (Mollusca, Ommastrephidae, Architeuthidae). ''Zoosystematics and Evolution'' 80(1): 53–69. ] The mantle narrows towards the back and possesses large terminal fins.
The family is characterized by an inverted T-shaped funnel locking cartilage.
They have an easily recognizable, slender, feather-shaped
gladius
''Gladius'' () is a Latin word meaning "sword" (of any type), but in its narrow sense it refers to the sword of ancient Roman foot soldiers. Early ancient Roman swords were similar to those of the Greeks, called '' xiphe'' (plural; singular ''xi ...
with a hollow cone structure (the primary conus). Light organs (
photophore
A photophore is a glandular organ that appears as luminous spots on various marine animals, including fish and cephalopods. The organ can be simple, or as complex as the human eye; equipped with lenses, shutters, color filters and reflectors, h ...
s) are present along the head and mantle of members of the subfamily
Ommastrephinae.

Ommastrephid
arms
Arms or ARMS may refer to:
*Arm or arms, the upper limbs of the body
Arm, Arms, or ARMS may also refer to:
People
* Ida A. T. Arms (1856–1931), American missionary-educator, temperance leader
Coat of arms or weapons
*Armaments or weapons
**Fi ...
have a double series of suckers. The enlarged tips (the clubs) of the tentacles have four rows of suckers, except in the genus ''
Illex'', which has eight. Hooks are absent. One of the ventral arms develops into a secondary sexual organ (the
hectocotylus
A hectocotylus (plural: ''hectocotyli'') is one of the arms of male cephalopod
A cephalopod is any member of the molluscan class Cephalopoda ( Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusive ...
) in males.
All ommastrephids are active
predator
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill ...
s. Their arms and tentacles bear sharp teeth and are used to grasp and bring prey to their beaked mouths.
They are very strong swimmers, and some species are known to glide out of water to escape predators.
Ommastrephid
paralarva
Paralarvae (singular: ''paralarva'') are young cephalopods in the planktonic stages between hatchling and subadult. This stage differs from the larval stage of animals that undergo true metamorphosis. Paralarvae have been observed only in mem ...
e are distinctive for having fused tentacles, looking like a single "proboscis". It gradually splits into two as the paralarvae grow becoming completely separated once they reach mantle lengths of .
Distribution and habitat
Ommastrephids usually occur in
pelagic
The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or w ...
waters, but can also be found in
neritic
The neritic zone (or sublittoral zone) is the relatively shallow part of the ocean above the drop-off of the continental shelf, approximately in depth.
From the point of view of marine biology it forms a relatively stable and well-illuminated ...
habitats.
They are found worldwide.
Taxonomy

Ommastrephidae was first established by the
Danish
Danish may refer to:
* Something of, from, or related to the country of Denmark
People
* A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark
* Culture of Denmark
* Danish people or Danes, people with a Danish ance ...
zoologist
Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and ...
Japetus Steenstrup
Johannes Japetus Smith Steenstrup FRS(For) HFRSE (8 March 1813 – 20 June 1897) was a Danish zoologist, biologist, and professor.
Life
Born in Vang, Thy on 8 March 1813, he held a lectorate in mineralogy in Sorø until 1845 when he became a ...
in 1857. It is classified under the
suborder
Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...
Oegopsina
Oegopsida is one of the two orders of squid in the superorder Decapodiformes, in the class Cephalopoda. Together with the Myopsina, it was formerly considered to be a suborder of the order Teuthida, in which case it was known as Oegopsina. This ...
of the
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of ...
Teuthida (squids). It is divided into three
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
-
Illicinae,
Ommastrephinae, and
Todarodinae; further subdivided into 11 genera and more than 20 species.
These subfamilies, genera, species, and subspecies are classified under Ommastrephidae:
*Family Ommastrephidae
:*Subfamily
Illicinae
::*Genus ''
Illex''
:::* ''
Illex argentinus
''Illex argentinus'', commonly known as the Argentine shortfin squid is a species of squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other ...
'', Argentine shortfin squid
:::* ''
Illex coindetii'', southern shortfin squid
:::* ''
Illex illecebrosus
''Illex illecebrosus'', commonly known as the northern shortfin squid, is a species of neritic squids in the family Ommastrephidae. Squids of the genus Illex account for 65% of the world’s cephalopod captures. Illex is formed by four taxa distr ...
'', northern shortfin squid
:::* ''
Illex oxygonius'', sharptail shortfin squid
:*Subfamily
Ommastrephinae
::*Genus ''
Dosidicus''
:::* ''
Dosidicus gigas'', Humboldt squid, jumbo flying squid or jumbo squid
::*Genus ''
Eucleoteuthis''
:::* ''
Eucleoteuthis luminosa
''Eucleoteuthis'' is a monotypic genus of squid from the family Ommastrephidae; the only species is ''Eucleoteuthis luminosa'', the striped flying squid or luminous flying squid.
Description
The striped flying squid is a very distinctive spec ...
'', striped squid or luminous flying squid
::*Genus ''
Hyaloteuthis''
:::* ''
Hyaloteuthis pelagica'', glassy flying squid
::*Genus ''
Ommastrephes''
:::* ''
Ommastrephes bartramii'', neon flying squid or red flying squid
::*Genus ''
Ornithoteuthis''
:::* ''
Ornithoteuthis antillarum'', Atlantic bird squid
:::* ''
Ornithoteuthis volatilis'', shiny bird squid
::*Genus ''
Sthenoteuthis''
:::* ''
Sthenoteuthis oualaniensis'', purpleback squid or purpleback flying squid
:::* ''
Sthenoteuthis pteropus
''Sthenoteuthis pteropus'', also known as the orangeback flying squid or orangeback squid, is a species of cephalopod in the family Ommastrephidae. It is native to tropical parts of the Atlantic Ocean where it is found to depths of about .
Descr ...
'', orangeback squid or orangeback flying squid
:*Subfamily
Todarodinae
::*Genus ''
Martialia
''Martialia hyadesii'' is a species of ommastrephidae, flying squid commonly known as the sevenstar flying squid.
Distribution
''M. hyadesii'' occurs in epipelagic and mesopelagic waters of the Southern Ocean. Its range may be circumpolar with a ...
''
:::*''
Martialia hyadesii
''Martialia hyadesii'' is a species of flying squid commonly known as the sevenstar flying squid.
Distribution
''M. hyadesii'' occurs in epipelagic and mesopelagic waters of the Southern Ocean. Its range may be circumpolar with a Sub-Antarctic ...
'', sevenstar flying squid
::*Genus ''
Nototodarus
''Nototodarus'' is a genus of squid. Example species in this genus include ''Nototodarus sloanii'', a species sought for human food; in the process of harvesting ''N. sloanii'' Australian sea lions are frequently killed, since that marine mammal ...
''
:::* ''
Nototodarus gouldi
''Nototodarus gouldi'', also known as the Gould's squid, Gould's flying squid, or arrow squid, is a squid belonging to the family Ommastrephidae. It inhabits the tropical and temperate waters of Australia and New Zealand. It is frequently caught ...
'', Gould's flying squid
:::* ''
Nototodarus hawaiiensis
''Nototodarus hawaiiensis'', the Hawaiian flying squid, is a species of squid.
It mainly lives at depths of about 400 - 570 m. It lives in the Pacific Ocean from Hawaiian Islands to Midway Island
Midway Atoll (colloquial: Midway Islands; ...
'', Hawaiian flying squid
:::*''
Nototodarus sloanii
''Nototodarus sloanii'' is a species of squid commonly known as the New Zealand arrow squid or Wellington flying squid. It is also known by its Māori name of wheketere. It is a favoured prey species of a number of marine mammals and diving birds ...
'', Wellington flying squid or New Zealand arrow squid
::*Genus ''
Todarodes''
:::* ''
Todarodes angolensis'', Angola flying squid
:::*''
Todarodes filippovae'', Antarctic flying squid
:::* ''
Todarodes pacificus
The Japanese flying squid, Japanese common squid or Pacific flying squid, scientific name ''Todarodes pacificus'', is a squid of the family Ommastrephidae. This animal lives in the northern Pacific Ocean, in the area surrounding Japan, along th ...
'', Japanese flying squid or Japanese common squid
:::* ''
Todarodes pusillus'', little flying squid
:::* ''
Todarodes sagittatus'', European flying squid
::*Genus ''
Todaropsis''
:::* ''
Todaropsis eblanae'', lesser flying squid
See also
*
Loliginidae
Loliginidae, commonly known as pencil squids, is an aquatic family of squid classified in the order Myopsida.
Taxonomy
The family Loliginidae was formerly classified in the order Teuthida.
Taxonomic list
The classification below follows V ...
References
External links
Ommastrephidae discussion forum at TONMO.comTree of Life web project: OmmastrephidaeScientific American: Can a Squid Fly Out of the Water?
{{taxonbar, from=Q1377192
Squid
Cephalopod families