Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 2 - 8 m (Ref. 96339). Tropical; 30°N - 3°S, 114°W - 81°W (Ref. 114953)
Eastern Central Pacific: Mazatlán, Mexico to Ecuador, including Galapagos Islands.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 48.5, range 44 - ? cm
Max length : 118 cm TL mannelijk / geslacht onbekend; (Ref. 111131)
Benthic in shallow waters over sandy bottoms (Ref. 9262). Ovoviviparous (Ref. 50449). Produces litters of 1-6 pups. Females mature at ca. 48 cm TL, males at ca. 51 cm TL; born at 19 cm TL (Ref. 114953).
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).
McEachran, J.D., 1995. Rhinobatidae. Peces guitarra. p. 778-781. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9262)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
115969): 26.6 - 29.1, mean 28.3 (based on 115 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00182 (0.00117 - 0.00283), b=3.12 (2.99 - 3.25), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (71 of 100).