Elasmobranchii (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Halaelurus: halos (Gr.), sea; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes (See ETYFish); sellus: From sella (L.), saddle, referring to dark saddles on head and body (See ETYFish).
More on authors: White, Last & Stevens.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 62 - 164 m (Ref. 59315). Tropical
Eastern Indian Ocean: Australia.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 38 - ? cm
Max length : 35.3 cm male/unsexed; (Ref. 59315); 42.3 cm TL (female)
Inhabits continental shelves (Ref. 59315).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
White, W.T., P.R. Last and J.D. Stevens, 2007. Halaelurus maculosus n. sp. and H. sellus n. sp., two new species of catshark (Carcharhiniformes: Scyliorhinidae) from the Indo-West Pacific. Zootaxa 1639:1-21. (Ref. 59315)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00171 - 0.00701), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
4.3 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (Preliminary low fecundity). |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |