Little sleeper shark
📖 Overview
A rare species found on outer continental shelves and upper slopes . Probably feeds on deepwater bottom fishes and invertebrates . Ovoviviparous , length at birth 21-28 cm TL . Utilized as fishmeal and possibly as food fish .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Anal spines: 0. Diagnosis: Somniosus rostratus is distinguished from S. longus in having overall length of second dorsal shorter than first dorsal fin 76-88% (vs. almost equal 91-100%); horizontal diameter of eye less than 37% (mean 33%) of length from snout tip to eye (vs. >37, mean 46%); number of tooth rows in upper jaw 53 (vs. 56-57); and spiral valve counts 23 (vs. 26-27) . : elongated.
🌀 Behaviour
Behavioural data for Little sleeper shark is currently being reviewed.
🦐 Diet
Diet information for Little sleeper shark is currently being compiled.
🥚 Reproduction
Ovoviviparous . Young born at 21-28 cm . Distinct pairing with embrace .
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 180 - 2734 m . Deep-water; 47°N - 43°S
🌿 Ecology
deepwater bottom fishes and invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Scymnus rostratus | Risso | 1827 | Synonym |
| Somniosus bauchotae | Quéro | 1976 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
👥 Community & Contribute
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