Elasmobranchii (haaien en roggen) (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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien; brak water demersaal; diepte ? - 220 m (Ref. 114953). Subtropical; 18°S - 37°S, 145°E - 155°E (Ref. 114953)
Western Pacific: endemic to Australia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 100.0 cm TL mannelijk / geslacht onbekend; (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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 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). |
Trofisch niveau (Ref. 69278) |
3.9 ±0.62 se; based on food items. |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming fecundity<100). |
Kwetsbaarheid van de visserij (Ref. 59153) |
High vulnerability (61 of 100). 🛈 |
Prijsklasse (Ref. 80766) |
Medium.
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Voedingsstoffen (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); |