Elasmobranchi (squali e razze) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Aptychotrema: Greek, a = without + Greek, ptyx, ptychos = fold + Greek, trema = hole (Ref. 45335).
More on author: Shaw.
Taxonomic Remarks
Authorship to be checked again in new CoF version. See Synonyms for another opinion.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino; salmastro demersale; distribuzione batimetrica ? - 220 m (Ref. 114953). Subtropical; 18°S - 37°S, 145°E - 155°E (Ref. 114953)
Western Pacific: endemic to Australia.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 100.0 cm TL maschio/sesso non determinato; (Ref. 12951); 120.0 cm TL (female)
Found on soft bottoms off beaches, lower parts of estuaries and offshore (Ref. 9909). Feeds on bottom crustaceans, mollusks, and fishes (Ref. 9909). Males mature at 60-68 cm TL, females at 54-66 cm TL; birth size at 13-15 TL. Produces 4-18 pups after 3-5 month gestation, usually around November and December (Ref. 114953). Caught in nets (Ref. 9909). Marketed fresh (Ref. 9909).
Ovoviviparous with up to 4 in a litter. Size at birth about 13 cm.
Compagno, L.J.V. and P.R. Last, 1999. Rhinobatidae. Guitarfishes. p. 1423-1430. In K.E. Carpenter and V.H. Niem (eds.) FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Rome, FAO. (Ref. 9909)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00272 - 0.01929), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.9 ±0.62 se; based on food items. |
Resilienza (Fonte Biblio. 120179) |
Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Assuming fecundity<100). |
Vulnerabilità della pesca (Ref. 59153) |
High vulnerability (61 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
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Nutrienti (Ref. 124155) |
Calcium = 22.4 [4.2, 97.5] mg/100g; Iron = 0.663 [0.172, 1.883] mg/100g; Protein = 19.5 [17.5, 21.4] %; Omega3 = 0.259 [0.120, 0.556] g/100g; Selenium = 25.9 [8.0, 67.8] μg/100g; VitaminA = 8.55 [3.59, 21.11] μg/100g; Zinc = 0.651 [0.333, 1.211] mg/100g (wet weight); |