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Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Urolophidae (Round rays)
Etymology: Spinilophus: Name from Latin spina for spine or thorn and genus Urolophus; referring to the sqamation of the dorsal surface ot this stingaree..

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

seewasser demersal. Tropical

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Western Central Pacific: known only from New Ireland (Bismarck Archipelago). Possibly New Guinea (Ref. 9863).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 17.4 cm TL Männchen/unbestimmt; (Ref. 51067)

Kurzbeschreibung Morphologie | Morphometrie

This species is distinguished by the following characters: dorsal disc with a prominent mid-scapular thorn and dermal denticles which are small, spinular, partly embedded and are restricted to the snout, supraorbital, interorbital and mid-lumbar regions and midline of the tail; nasal capsules are oval, relatively broad and short; the ischiopubic bar of pelvic girdle is strongly arched with concave outer anterior margin, short angular prepelvic process and long posterior mesial process (Ref. 113541).

Maximum length known only from the holotype and only known specimen, a juvenile male (Ref. 51067).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Séret, B. and P. Last, 2003. Description of four new stingarees of the genus Urolophus (Batoidea: Urolophidae) from the Coral Sea, South-West Pacific. Cybium 27(4):307-320. (Ref. 51067)

IUCN Rote Liste Status (Ref. 126983)

Daten mangelhaft (DD) ; Date assessed: 19 March 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00813 (0.00364 - 0.01815), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Spinilophus armatus (Valenciennes, 1841)