Common names from other countries
Elasmobranchii (tubarões e raias) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335); austini: Named for Austin Ebert (a 'flat' shark enthusiast), on the occasion of his graduation from the University of Southern California..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas. Tropical
Distribuição
Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri
Western Indian Ocean: from southern KwaZulu-Natal Province, South Africa to north of Bazaruto Island, central Mozambique.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 115.0 cm TL (female)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
This species is distinguished by the following set of characters: no prominent thorns or tubercles on dorsal surface; distinct colour pattern of paired spots of differing sizes, some forming darker transverse bands across its back; ventral surface colour mostly white, without distinctive patterning except for a prominent teardrop-shaped black blotch extending posteriorly from rostral tip to about midpoint anterior to upper mouth; nasal lamellae 61-63; upper jaw tooth count about ca. 83-93; post-synarcual centra 177-181; total vertebral segments 193-198;total pectoral skeleton radials 67-71 (Ref. 115561).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Ebert, D.A. and O. Gon, 2017. Rhinobatos austini n. sp., a new species of guitarfish (Rhinopristiformes: Rhinobatidae) from the Southwestern Indian Ocean. Zootaxa 4276(2):204-214. (Ref. 115561)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [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).
Nível Trófico (Ref.
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).