Australia country information

Common names: Eastern Australian legskate
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Saumarez Plateau, Queensland, 678-695 m, CSIRO H 948-02, holotype of Sinobatis filicauda, 54.8 cm TL; 34.1 cm DW, adult male). Known from the upper continental slope off Queensland from the southeastern sector of the Saumarez Plateau (22°58'S, 154°26'E) northwards to the Queensland Plateau (16°54'S, 151°30'E), in depths of 606-880 m.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and B. Séret, 2008
National Database:

Common names from other countries

Niitsaba-koibrai, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Anacanthobatidae (Smooth skates)
Etymology: filicauda: Name from Latin ‘filum’ meaning thread and ‘cauda’ for tail or appendage, referring to its thread-like tail tip..
More on authors: Last & Séret.

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

Marine; bathydemersal; depth range 606 - 880 m (Ref. 75174). Tropical; 17°S - 25°S, 149°E - 156°E (Ref. 75174)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: (Queensland) Australia, possibly more widespread in Northern Coral Sea (Refs. 75174, 114953).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 55.0 cm TL male/unsexed; (Ref. 75174)

Short description Identification keys | Morphology | Morphometrics

This species is distinguished by the following set of characters:: disc large, width at anterior orbit 5.7-8.1 times mouth width; tail short, postcloacal length 97-140% of disc length; eyes relatively large, orbit diameter 7.1-9.6 in horizontal snout and 9.4-11.3 in head lengths respectively; distal portion of tail not expanded, width of tail near tip 0.7-1.1 times tail width at its midlength; pectoral-fin radials 71-75; pelvic fins moderate-sized, anterior lobe 14.8-16.2% TL; anterior pelvic-fin lobe rather broad-based, width 1.6-2.5 in distance between pelvic-fin origins; caudal fin rudimentary; tooth rows in each jaw of adults 18-22; teeth of adult males with very short cusps; monospondylous vertebral centra 27-30, total centra 155-182; dorsal surface uniformly pale pinkish brown, ventral surface pale, translucent (Ref. 75174).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Last, P.R. and B. Séret, 2008. Three new legskates of the genus Sinobatis (Rajoidei: Anacanthobatidae) from the Indo-West Pacific. Zootaxa 1671:33-58. (Ref. 75174)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 19 February 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 5.5 - 8.2, mean 6.3 (based on 7 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

Sinobatis filicauda Last & Séret, 2008