Elasmobranchii (sharks and rays) >
Squaliformes (Bramble, sleeper and dogfish sharks) >
Dalatiidae (Sleeper sharks)
Etymology: Heteroscymnoides: Greek, heteros = other + greek, skylla = a kind of shark + greek, suffix oides = similar to (Ref. 45335). More on author: Fowler.
Environment / Climate / Range
Ecology
Marine; benthopelagic; depth range 0 - 502 m (Ref. 247). Tropical, preferred ?; 14°S - 30°S
Southeast Atlantic: near Ascension Island. Western Indian Ocean: Durban, Natal, South Africa.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 29.0 cm TL male/unsexed; (Ref. 5578)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 0;
Anal
spines: 0;
Anal
soft rays: 0. A cylindrical, dwarf dogfish shark with a long bulbous snout, small round eyes, and small gill slits; caudal fin paddle-shaped (Ref. 5578). Dark brown with conspicuous light-edged fins (Ref. 5578). Ventral surface covered with minute photophores (Ref. 6577).
Probably oceanic (Ref. 5578). The holotype was caught off a beach, but a second specimen was taken in the Atlantic at night between the surface and 502 m (Ref. 247). Food unknown but may subsist on pelagic fish and invertebrates (Ref. 247). Probably ovoviviparous with very few young (Ref. 247).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
More information
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