The Dalatiidae are the family of kitefin
shark
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachi ...
s of the order
Squaliformes
The Squaliformes are an order of sharks that includes about 126 species in seven families.
Members of the order have two dorsal fins, which usually possess spines, they usually have a sharp head, no anal fin or nictitating membrane, and fiv ...
(the term "kitefin shark" also refers specifically to the species ''
Dalatias licha''). Members of this family are small, under long, and are found worldwide. They have cigar-shaped bodies with narrow heads and rounded snouts. Several species have specialized
bioluminescent organs.
Though eight
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 nomenclat ...
are in this family, four of them are
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...
.
Genera and species
* ''
Dalatias''
Rafinesque
Constantine Samuel Rafinesque-Schmaltz (; October 22, 1783September 18, 1840) was a French 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ultimat ...
, 1810
** ''
Dalatias licha''
( Bonnaterre, 1788) (kitefin shark)
** †''Dalatias orientalis''
(Malyshkina ''et al.'', 2022)
* ''
Euprotomicroides
The taillight shark (''Euprotomicroides zantedeschia'') is a little-known species of shark in the family Dalatiidae and the only member of its genus.Stehmann, M.F.W., Van Oijen, M. & Kamminga, P. (2016): Re-description of the rare taillight ...
''
Hulley and M. J. Penrith, 1966
** ''
Euprotomicroides zantedeschia
The taillight shark (''Euprotomicroides zantedeschia'') is a little-known species of shark in the family Dalatiidae and the only member of its genus.Stehmann, M.F.W., Van Oijen, M. & Kamminga, P. (2016): Re-description of the rare taillight ...
''
Hulley and M. J. Penrith, 1966 (tail-light shark)
* ''
Euprotomicrus
The pygmy shark (''Euprotomicrus bispinatus''), the second-smallest of all the shark species after the dwarf lanternshark, is a squaliform shark of the family Dalatiidae, the only member of the genus ''Euprotomicrus''. Their lengths are up to ...
''
T. N. Gill, 1865
** ''
Euprotomicrus bispinatus''
( Quoy & Gaimard, 1824) (pygmy shark)
* ''
Heteroscymnoides''
Fowler, 1934
** ''
Heteroscymnoides marleyi''
Fowler, 1934 (longnose pygmy shark)
* ''
Isistius
''Isistius'' is a genus of dogfish sharks in the family Dalatiidae. They are commonly known as cookiecutter sharks. Members of the genus are known for their unusual behaviour and dentition.
Species
*''Isistius brasiliensis'' Quoy & Gaimard, ...
''
T. N. Gill, 1865
**''
Isistius brasiliensis
The cookiecutter shark (''Isistius brasiliensis''), also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae. This shark occurs in warm, oceanic waters worldwide, particularly near islands, and has been re ...
''
(Quoy & Gaimard, 1824) (cookiecutter shark)
**''
Isistius plutodus
The largetooth cookiecutter shark (''Isistius plutodus'') is a rare species of squaliform shark in the family Dalatiidae, reported from depths of at scattered locations in the Atlantic and Pacific Oceans. As its common name suggests, it is ...
''
Garrick Garrick may refer to:
* Garrick (name), for the name's origin and people with either the surname or given name, the most famous being:
** David Garrick (1717–1779), English actor
* Garrick Club, a London gentlemen's club named in honour of David ...
& S. Springer, 1964 (largetooth cookiecutter shark)
* ''
Mollisquama
''Mollisquama'' is a genus of pocket sharks in the family Dalatiidae. There are two known species each only known from a single specimen; one found off the coast of Chile and the other found in the Gulf of Mexico.
Species
There are current ...
''
Dolganov, 1984
** ''
Mollisquama parini''
Dolganov, 1984 (pocket shark)
** ''
Mollisquama mississippiensis'' (American pocket shark)
* ''
Squaliolus
''Squaliolus'' is a genus of deep-sea squaliform sharks in the family Dalatiidae.
Species
* ''Squaliolus aliae'' Teng, 1959 ( smalleye pygmy shark)
* ''Squaliolus laticaudus'' H. M. Smith & Radcliffe, 1912 (spined pygmy shark
The spi ...
''
H. M. Smith and Radcliffe, 1912
** ''
Squaliolus aliae''
Teng Teng may refer to:
*Teng (surname) (滕), a Chinese surname
*Teng (state), an ancient Chinese state
*Teng (mythology), a flying dragon in Chinese mythology
*Teng County
Teng County or Tengxian (; za, Dwngz Yen) is a county of eastern Guangxi, C ...
, 1959 (smalleye pygmy shark)
** ''
Squaliolus laticaudus
The spined pygmy shark (''Squaliolus laticaudus'') is a species of squaliform shark in the family Dalatiidae found widely in all oceans. Growing no larger than roughly , it is one of the smallest sharks alive, with this record beaten by the dw ...
''
H. M. Smith and Radcliffe, 1912 (spined pygmy shark)
* †''
Eosqualiolus''
Adnet, 2006
** †''Eosqualiolus aturensis''
Adnet, 2006
** †''Eosqualiolus skrovinai''
Underwood & Schlogl, 2012
Image:Dalatias licha csiro-nfc.jpg, '' Dalatias licha''
Image:Isistius brasiliensis.jpg, Cookiecutter shark
The cookiecutter shark (''Isistius brasiliensis''), also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae. This shark occurs in warm, oceanic waters worldwide, particularly near islands, and has been rec ...
, ''Isistius brasiliensis
The cookiecutter shark (''Isistius brasiliensis''), also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae. This shark occurs in warm, oceanic waters worldwide, particularly near islands, and has been re ...
''
Image:Pocket shark noaa 1.jpg, '' Mollisquama mississippiensis''
Image:Fish4470 - Flickr - NOAA Photo Library.jpg, ''Squaliolus laticaudus
The spined pygmy shark (''Squaliolus laticaudus'') is a species of squaliform shark in the family Dalatiidae found widely in all oceans. Growing no larger than roughly , it is one of the smallest sharks alive, with this record beaten by the dw ...
''
Image:Euprotomicrus bispinatus (Pygmy shark).gif, '' Euprotomicrus bispinatus''
See also
*
List of fish families
This is a list of fish families sorted alphabetically by scientific name. There are 525 families in the list.
__NOTOC__
A - B - C - D - E - F -
G - H - I - J - K -
L - M - N - O - P - R - S - T - U - V - W - X - Y - Z
- ...
*
Deep sea fish
Deep-sea fish are fish that live in the darkness below the sunlit surface waters, that is below the epipelagic or photic zone of the sea. The lanternfish is, by far, the most common deep-sea fish. Other deep sea fishes include the flashligh ...
References
External links
Dalatiidae in Fishesofaustralia.net.au
{{Taxonbar, from=Q133918
Shark families
Taxa named by John Edward Gray