Hypogaleus hyugaensis

(MIYOSI, 1939)


Blacktip tope
Classification: Elasmobranchii Carcharhiniformes Triakidae

Reference of the original description
MIYOSI, Y. (1939)
Description of three new species of Elasmobranchiate fishes collected at Hyuga Nada, Japan. Bulletin of the Biogeographical Society of Japan, 9: 91–97

Synonyms / new combinations and misspellings
Eugaleus hyugaensis, Galeorhinus hyugaensis, Galeorhinus zanzibarensis, Galeorhinus (Hypogaleus) zanzibarensis, Hypogaleus zanzibarensis

Types
Hypogaleus hyugaensis
Holotype: MGHSJ: ?
Galeorhinus (Hypogaleus) zanzibarensis
Holotype: SAIAB: 20;


Description :


Citation: Hypogaleus hyugaensis (MIYOSI, 1939): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 05/2019

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Hypogaleus hyugaensis (MIYOSI, 1939), © Randall, J.E., www.fish-base.org
Common names
spa Cazón elegante, fra \(T\) Requin-hâ élégant, eng Blacktip houndshark, eng Blacktip tope, eng Blacktip tope shark, eng Blacktip topeshark, eng Blacktipe tope, eng Lesser soupfin shark, eng Pencil shark, eng Western school shark

Short Description
Dull grey dorsally, paler below; front part of snout slightly dusky [20040].

Distribution
Indo-West Pacific: East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia [1388]. Source: www.gbif.org

Human uses
fisheries: minor commercial; price category: high; price reliability: very questionable: based on ex-vessel price for species in this family

Biology
Viviparous (with a yolk-sac placenta), with 10 or 11 young in a litter [517]. Size of full-term fetuses about 33 to 35 cm [517]. Gestation period is estimated at 15 months [517]. Distinct pairing with embrace [17086]. Occurs on the continental shelf and slope (Ref. 75154).

Size / Weight / Age
127 cm TL (male/unsexed; [517]); 122 cm TL (female)

Habitat
demersal; marine; depth range 40 - 230 m [517]

Remarks
shark-references Species-ID=3105;