| Family: | Dalatiidae (Sleeper sharks), subfamily: Dalatiinae |
AquaMaps | | ||
| Order: | Squaliformes (bramble, sleeper and dogfish sharks) | |||
| Class: | Elasmobranchii (sharks and rays) | |||
| In this site name: | Pygmy shark | |||
| Max. size: | 22.0 cm TL (male/unsexed; Ref. 247); 27 cm TL (female) | |||
| Environment: | bathypelagic; marine; depth range 0 – 1800 m | |||
| Climate: | deep-water; 38°N - 54°S | |||
| Importance: | fisheries: of no interest | |||
| Resilience: | Very low, minimum population doubling time more than 14 years (Fec=8) | |||
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Distribution:
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Amphitemperate. Southeast Atlantic: near Ascension Island, east of Fernando de Noronha Island, and west of Cape of Good Hope, South Africa. Indian Ocean: Madagascar to Western Australia. North Pacific: Midway Islands, Hawaiian Islands to off California, USA. South Pacific: between New Zealand, Phoenix Island and southern Chile. | |||
| Morphology: | Dorsal spines (total): 0 - 0; Anal spines: 0. Small dogfish with a cigar-shaped body, a distinct dark collar marking around the gill region, a conical snout, large round eyes (Ref. 5578), fleshy lips, enlarged triangular lower teeth, equal-sized gill slits (Ref. 5578), very small dorsal fins, and a paddle-shaped caudal fin with nearly symmetrical upper and lower lobes (Ref. 6871). Black with white fin edges; belly luminous (Ref. 247). | |||
| Biology: | Occurs at or near the surface at night, descending to below 400 m (possibly as deep as 1,800 m) during the day (Ref. 31367). Feeds on squid, bony fishes, and crustaceans (Ref. 5578). Ovoviviparous (Ref. 205), with 8 young per litter, size at birth between 6 and 10 cm (Ref. 247). Caught with dip-nets and buckets at night (Ref. 6577). | |||
| Red List Status: | Least Concern (LC) (Ref. 57073) | |||
| Dangerous: | harmless | |||
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