Classification / Names
Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (hajar och rockor) (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
Ekologi
marina bentopelagisk; djupintervall 300 - 600 m (Ref. 131348). Tropical
Western Indian Ocean: India.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 47.5 cm TL hane/ej könsbestämd; (Ref. 131348); 38.8 cm TL (female)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 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)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: av potentiellt intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisk nivå (Ref.
69278): 4.1 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
