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 benthopelagisch; diepte 300 - 600 m (Ref. 131348). Tropical
Western Indian Ocean: India.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 47.5 cm TL mannelijk / geslacht onbekend; (Ref. 131348); 38.8 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 84 - 86. This species is distinguished from its regional congeners species by the following characters:
snout short and pointed, its length 5.6-6.0% of TL and 22.8-24.1% of HL; pre-orbital length 5.8-6.5 % of TL; prenarial length in inner nostril-narial furrow space is 0.88-1.58; external nasal opening is rounded in shape; teeth in both jaws are of similar shape and structure; teeth of upper
jaw smaller than lower jaw; body high and slightly arched from the dorsal origin of first gill slit to pre-first dorsal fin; spiracles placed little above the eyes; eye to spiracle space is 0.7-0.9% of TL; head height is 1.2-1.4 in trunk height; the origin of first dorsal fin behind the insertion of pectoral fin; second dorsal fin positioned between pelvic & caudal fins; first dorsal spine length is 1.9-2.9% TL; second dorsal spine length is 2.8-3.6% TL; pelvic fin free rear tip is pointed; no anal
fin; caudal fin large with upper lobe wide and dorsal margin almost straight in shape; flank denticles are tricuspid; vertebrae, monospondylous 16-22; pre-caudal 61-63; caudal 23; total vertebrae 84-86 (Ref. 131348)
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Beura, S., K.K. Bineesh, Moumita Das, S. Swetha and Ranjana Bhaskar, 2024. Squalus hima sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from the Arabian Sea, off Southwest India. Rec. zool. Surv. India: 124(iS)/61-74. (Ref. 131348)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van potentieel belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisch niveau (Ref.
69278): 4.1 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
