Family Dalatiidae - Sleeper sharks
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Order |
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Class |
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Elasmobranchii |
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No. in FishBase |
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Genera : 7 | Species : 9 Eschmeyer's Catalog of Fishes |
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Environment |
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Fresh : No |
Brackish : No |
Marine : Yes |
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Division |
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Marine |
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Aquarium |
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none |
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First Fossil Record |
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Remark |
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Distribution: Antarctic to Arctic, Northern and Southern Hemisperes, coastal and oceanic. Includes four subfamilies (Etmopterinae, Somniosinae, Oxynotinae, and Dalatiinae). Except in Etmopterinae , most members without spines in dorsal fin; luminous organs present (except in Somniosus pacificus), appearing as black dots mainly on ventral surface. Etmopterinae has grooved spines in both dorsal fins, caudal fin with subterminal notch. Oxynotinae has very high, and compressed body, triangular in cross section; dorsal fins very high, each with a spine (Ref. 557).
The subfamilies are sometimes separated as independent families by various authors: Oxynotidae (Ref. 247); Somniosidae (dorsal fins without spines, first dorsal fin originating in front of pelvic fins but much closer to pectoral fins) and Etmopteridae (dorsal fin with spines, teeth with prominent central cusp flanked by one or two smaller cusplets) (Ref. 48844) . Dalatiidae has dorsal fins without spines, first dorsal fin originating in front of pelvic fins but much closer to pelvic fins (Ref. 48844). |
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Etymology |
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Greek, dalos, -ou = torch |
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Reproductive guild |
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bearers |
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Typical activity level |
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Coordinator |
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Important recommendation:
The list below must not be used as an authority reference synonymy list like those found in scientific published revisions, which must be the source to be used and cited eventually when they exist.
Rather, it reflects the current content of FishBase, and the progress with respect to synchronization with the Catalog of Fishes. However, we think it can be useful for users to assess the quality of information in FishBase, to start new work on the family, or to cross-check with other lists.
But we appreciate to be cited in publications when this list has been of any working value. In particular, for published scientific, we suggest then to cite it in the Material and Method section as a useful tool to conduct the research, but again, not as a taxonomic or nomenclatural authority reference.
Unless it is explicitly precised, the list is not complete, please search all original names published for the family in the Catalog of Fishes (genera, species), including those with uncertain or unknown status, that are not included in FishBase when they are not attached to a valid species.
This list uses some data from Catalog of Fishes (not shown but used to sort names).
In the column CofF, the digit indicates the status of synchronization with CofF: 0: Not checked; 1: Same status; 2: Different status; 3: Other combination; 4: Synonym in CofF; 5: Species/Subspecies issue; 6: Synonym of another species in CofF; 7: Not in CofF; 8: Should not be in CofF. The CofF version currently used is the one published on 23-07-2014 (Ref. 97102).
The list ordered as follows:
Please send comments and corrections if you detect errors or missing names.
Scientifc name | Status | Senior/Junior synonym | Combination | CofF |
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Dalatias licha (Bonnaterre, 1788) | accepted | senior | new | |
Squalus licha Bonnaterre, 1788 | synonym | senior | original | 2 |
Scymnorhinus licha (Bonnaterre, 1788) | synonym | senior | new | |
! Dalatias lica (Bonnaterre, 1788) | synonym | senior | new | |
! Dalatias lichia (Bonnaterre, 1788) | Synonym | senior | new | |
Squalus americanus Gmelin, 1789 | synonym | junior | original | 2 |
Dalatias sparophagus Rafinesque, 1810 | ambiguous | questionable | original | 2 |
Squalus nicaeensis Risso, 1810 | synonym | junior | original | 2 |
Scymnus vulgaris Cloquet, 1822 | synonym | junior | original | 1 |
Squalus scymnus Voigt, 1832 | synonym | junior | original | 2 |
Scymnus aquitanensis de la Pylaie, 1835 | ambiguous | questionable | original | 2 |
Scymnorhinus phillippsi Whitley, 1931 | synonym | junior | original | 2 |
Pseudoscymnus boshuensis Herre, 1935 | synonym | junior | original | 2 |
Scymnorhinus brevipinnis Smith, 1936 | synonym | junior | original | 2 |
Dalatias tachiensis Shen & Ting, 1972 | synonym | junior | original | 2 |
Euprotomicrus bispinatus (Quoy & Gaimard, 1824) | accepted | senior | new | |
Scymnus bispinatus Quoy & Gaimard, 1824 | synonym | senior | original | 2 |
Scymnus mauritianus Quoy & Gaimard, 1830 | synonym | junior | original | 2 |
Scymnus labordii Müller & Henle, 1839 | synonym | junior | original | 2 |
Euprotomicrus labordii (Müller & Henle, 1839) | synonym | junior | new | |
Lemurgus labordii (Müller & Henle, 1839) | synonym | junior | new | |
Euprotomicrus hyalinus Eigenmann, 1890 | synonym | junior | original | 2 |
Isistius brasiliensis (Quoy & Gaimard, 1824) | accepted | senior | new | |
Scymnus brasiliensis Quoy & Gaimard, 1824 | synonym | senior | original | 2 |
! Inistius brasiliensis (Quoy & Gaimard, 1824) | synonym | senior | new | |
! Tristius brasiliensis (Quoy & Gaimard, 1824) | synonym | senior | new | |
Scymnus brasiliensis var. torquatus Müller & Henle, 1839 | synonym | junior | original | 2 |
Scymnus torquatus Müller & Henle, 1839 | synonym | junior | change in rank | |
Scymnus brasiliensis var. unicolor Müller & Henle, 1839 | synonym | junior | original | 2 |
Scymnus unicolor Müller & Henle, 1839 | synonym | junior | original | |
Squalus fulgens Bennett, 1840 | synonym | junior | original | 2 |
Leius ferox Kner, 1864 | synonym | junior | original | 2 |
Isistius labialis Meng, Zhu & Li, 1985 | synonym | junior | original | 2 |
Isistius plutodus Garrick & Springer, 1964 | accepted | senior | original | 2 |
Squaliolus laticaudus Smith & Radcliffe, 1912 | accepted | senior | original | 2 |
Euprotomicrus laticaudus (Smith & Radcliffe, 1912) | synonym | senior | new | |
Squaliolus sarmenti Noronha, 1926 | synonym | junior | original | 2 |
Squaliolus aliae (non Teng, 1959) | misapplied | misapplied | original | |
Squaliolus aliae Teng, 1959 | accepted | senior | original | |
! Squaliolus alii Teng, 1959 | synonym | senior | original | 1 |
Heteroscymnoides marleyi Fowler, 1934 | accepted | senior | original | 2 |
Euprotomicroides zantedeschia Hulley & Penrith, 1966 | accepted | senior | original | 2 |
Mollisquama parini Dolganov, 1984 | accepted | senior | original | 2 |