Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (Haie und Rochen) (sharks and rays) >
Rhinopristiformes (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
Etymology: glaucostigma: Specific name referring to a colored mark.
More on authors: Jordan & Gilbert.
Taxonomic Remarks
Date Eschmeyer, pers.comm.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser demersal; tiefenbereich 1 - 112 m (Ref. 96339). Tropical; 28°N - 4°S, 112°W - 82°W (Ref. 114953)
Eastern Central Pacific: Gulf of California to Ecuador.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 89.0 cm TL Männchen/unbestimmt; (Ref. 114953)
Benthic in shallow waters over soft bottom (Ref. 9262). Adults feed on prawns and crabs, juveniles mainly amphipod crustaceans (Ref. 114953). Ovoviviparous (Ref. 50449).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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).
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 19.7 - 28.9, mean 26 °C (based on 84 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00157 - 0.00442), b=3.08 (2.93 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Fec assumed to be <100).
Anfälligkeit der Fischerei (Ref.
59153): High vulnerability (56 of 100).
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Nährstoffe (Ref.
124155): Calcium = 42 [11, 188] mg/100g; Iron = 0.765 [0.198, 2.189] mg/100g; Protein = 18.6 [16.5, 20.5] %; Omega3 = 0.149 [0.065, 0.342] g/100g; Selenium = 54.8 [13.8, 152.3] μg/100g; VitaminA = 12.8 [4.9, 31.8] μg/100g; Zinc = 0.886 [0.436, 1.580] mg/100g (wet weight);