Élasmobranches (requins et raies) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Somniosidae (Sleeper sharks)
Etymology: Scymnodalatias: scymno-, referring to previous placement in Scymnodon; dalatias, referring to lack of dorsal spines like most sharks in the family Dalatiidae (sometimes included within Somniosidae). (See ETYFish); sherwoodi: In honor of C. W. Sherwood, who discovered the shark washed up on a beach in Canterbury, New Zealand, and presented it to the local museum. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique. Subtropical; 42°S - 44°S
Distribution
Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Southwest Pacific: New Zealand. Possibly occurring off Australia (Ref. 6871).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 80.3 cm TL mâle / non sexé; (Ref. 247)
Épines dorsales (Total): 0. Dark brown or black with a grey blaze on the back behind the eyes (Ref. 26346). Scymnodon-like, but with no dorsal spines and the first dorsal fin slightly more posterior than in Scymnodon species; snout somewhat flattened, not bulbous, lower teeth with very high, erect or semi-erect cusps, distal blades and no serrations, first dorsal on middle of back behind pectoral fins, caudal fin asymmetrical, with a short lower lobe, fins without prominent light edges (Ref. 247).
A rare species (Ref. 26346) presumably inhabiting the insular slope of New Zealand (Ref. 247). Ovoviviparous (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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