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Elasmobranchii (haaien en roggen) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien bathydemersaal; diepte 900 - 1000 m (Ref. 130122). Tropical

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Western Indian Ocean: Réunion.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 73.0 cm TL mannelijk / geslacht onbekend; (Ref. 130122)

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Wervels: 112. This species is distinguished from its congeners by the following set of characters: snout short, preorbital length 8.2% of total length (TL), prenarial length in inner nostril-narial furrow space 0.86; body very high, with abdomen height 16.4% of TL, head height in trunk height 0.5; dorsal fin begin vertical above posterior lobes of pectoral fin; second dorsal fin at the middle between anal and caudal fins; first and second dorsal-fin spines are long, the first 5.8% of TL and second 5.3% of TL; flank denticles are tricuspid; vertebrae, monospondylous 37, precaudal 86, caudal 26, total 112; upper caudal-fin lobe broad; caudal fin distally with a narrow, light grey margin (Ref. 130122).

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Fricke, R., P. Durville, G. Potin and T. Mulochau, 2023. Squalus longispinis, a new species of spurdog (Elasmobranchii: Squalidae) from La Réunion, southwestern Indian Ocean. Taxa (Journal of Taxonomy and Systematics) 2:1-21. (Ref. 130122)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van geen belang

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

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

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (49 of 100).

Squalus longispinis Fricke, Durville, Potin & Mulochau, 2023