Elasmobranchii (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).
Eponymy: Maurice Jean Leonard Loustau-Lalanne (d: 1955) has held a number of posts in the government of the Seychelles and was the Seychelles Principal Secretary for the Environment at the time of the discovery of this species. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range ? - 1000 m (Ref. 76802). Tropical
Western Indian Ocean: Seychelles.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 61.5 cm TL male/unsexed; (Ref. 76802); 78.8 cm TL (female)
Short description
Identification keys | Morphology | Morphometrics
This species is characterized by having a low number of precaudal vertebrae (67-69); rounded free rear tip of pectoral; only 1 developed lobe at the anterior part of nostril flap; nostrils' inner corner at about midway between tip of snout and upper lip; uniformly grey body color with dorsal fins blackish (Ref. 76802).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing with embrace (Ref. 205).
Baranes, A., 2003. Sharks from the Amirantes Islands, Seychelles, with a description of two new species of squaloids from the deep sea. Israel J. Zool. 49:33-65. (Ref. 76802)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of potential interest
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