Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (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 Ecología

marino batidemersal; rango de profundidad ? - 1000 m (Ref. 76802). Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Western Indian Ocean: Seychelles.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 61.5 cm TL macho / no sexado; (Ref. 76802); 78.8 cm TL (female)

Short description Claves de identificación | Morfología | Morfometría

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).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Referencias | Coordinador : Compagno, Leonard J.V. | Colaboradores

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 2024-1)

Least Concern (LC) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: de interés potencial

FAO - Publication: search | FishSource |

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Trophic ecology
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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00347 (0.00165 - 0.00730), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 4.3 ±0.3 se; based on size and trophs of closest relatives

Resiliencia (Ref. 120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

Squalus lalannei Baranes, 2003