Elasmobranchi (squali e razze) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Notoraja: Greek, noton = back + Latin, raja = fish, Raja sp. (Ref. 45335); alisae: Named for the French research vessel 'Alis' (name of a local wind) of the Institut de Recherche pour le Développement (IRD) in Nouméa, which was used for the numerous exploratory cruises performed in New Caledonian EEZ.
the name of a local wind.
Eponymy: ‘Alis’ is the name of a ship used by the Institut de Recherche pour la Dévelopement to research off the coast of New Caledonia. The ship is, in turn, named after a local wind. (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; distribuzione batimetrica 870 - 1049 m (Ref. 91035). Subtropical; 17°S - 35°S, 166°E - 172°E (Ref. 114953)
Western Pacific: New Caledonia. The dark form exhibits a wider latitudinal distribution (from southern Norfolk Ridge (35°8’S) in New Zealand’s EEZ to Espiritu Santo in Vanuatu).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 51.5 cm TL maschio/sesso non determinato; (Ref. 91035); 54.5 cm TL (female)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
This is a medium-size species with the following set of characters: disc wider than long, width 50.9-55.5% TL, length 43.8-45.7% TL; dorsal head length 17.1-19.0% TL; interspiracular distance 6.2-6.7% TL, internasal distance 7.0-8.5% TL, preorbital length 2.7-3.1 times orbit length, 3.4-3.6 interorbital; tail width at pelvic-fin axil 1.5-1.6 times its height; one rudimentary preorbital thorn; velvety dorsal and ventral surfaces of disc, covered with fine denticles; long and slender tail, entirely velvety and without enlarged thorns; lateral tail folds variably expanded posteriorly, its width sometimes greater than tail width at level of second dorsal fin; expanded nasal lobes, width of nasal curtain 8.1-9.8% TL; anterior pelvic-fin lobe shorter that posterior lobe; dorsal and ventral surfaces are pale greyish brown; total pectoral-fin radials 63; monospondylous centra 24-25, total diplospondylous centra 112-117, total centra 136-142 (Ref. 91035).
Body shape (shape guide): other (see remarks).
Found on insular slopes, mainly on hard bottoms. Rarely caught. Life history unknown (Ref. 114953).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Séret, B. and P.R. Last, 2012. New deep water skates of the genus Notoraja Ishiyama, 1958 (Rajoidei, Arhynchobatidae) from the southwest Pacific. Zoosystema, 34 (2):319-341. (Ref. 91035)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00562 (0.00287 - 0.01102), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.8 ±0.7 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate to high vulnerability (52 of 100). 🛈 |