Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urotrygonidae (American round stingrays)
Etymology: Urobatis: Greek,oura = tail + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 1 - 30 m (Ref. 96339). Subtropical
Eastern Central Pacific: southern Baja California, Mexico and the Gulf of California.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 42.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9265); common length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9265)
Found on shallow sand and mud bottoms, in sea grass beds, near rocky reefs, and in bays (Ref. 12951). Feeds on worms and amphipods during the day (Ref. 12951). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Ovoviviparous.
McEachran, J.D., 1995. Urolophidae. Rayas redondas. p. 786-792. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9265)
IUCN Red List Status (Ref. 130435)
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 22.3 - 26.9, mean 24 °C (based on 101 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00997 - 0.04380), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.2 ±0.42 se; based on food items.
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
