Elasmobranquios (tiburones y rayas) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: aenigma: Name from Latin 'aenigma' or enigma, in allusion to its unresolved taxonomic status..
More on authors: Last & McEachran.
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino batidemersal; rango de profundidad ? - 437 m (Ref. 58023). Deep-water
Western Pacific: New Zealand.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 43.6 cm TL macho / no sexado; (Ref. 58023)
Short description
Morfología | Morfometría
A species of Brochiraja with the following combination of characters: rounded disc; very long tail, 1.5 times disc length, 2.9 times ventral head length, 6.8 times snout length; orbit moderately large, 2.4 in preorbital snout length; calcified rostral shaft very short; tail base narrow, width at pelvic fin insertions 2 times width at midlength; dermal denticles closely spaced, over entire upper disc; mid-dorsal surface of tail with thorns and denticles; dorsolateral surface of tail without thorns; orbital thorns absent; entire ventral surface naked; medium brownish with darker mottling above and below; indistinct rows of pale-edged pores on ventral surface; nuchal pore band indistinct; anterior pelvic fin lobe bulbous, black tipped; total pectoral radials 73-74; predorsal vertebrae 115; c. 30 tooth rows in upper jaw (Ref. 58023).
Known only from a single specimen; no information on mature males or juveniles (Ref. 58023).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Last, P.R. and J.D. McEachran, 2006. New softnose skate genus Brochiraja from New Zealand (Rajidae: Arhynchobatinae) with description of four new species. N. Z. J. Mar. Freshwater Res. 40(1):65-90. (Ref. 58023)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Más información
Nombres comunesSinónimosMetabolismoDespredadoresEcotoxicologíaReproducciónMadurezPuestaAgregación para la puestaFecundidadHuevosEgg development
Age/SizeCrecimientoLength-weightLength-lengthLength-frequenciesMorfometríaMorfologíaLarvaDinámica larvariaReclutamientoAbundanciaBRUVS
ReferenciasAcuiculturaPerfil de acuiculturaRazasGenéticaElectrophoresesheritabilidadEnfermedadesProcesamientoNutrientsMass conversion
ColaboradoresImágenesStamps, Coins Misc.SonidosCiguateraVelocidadTipo de nataciónSuperficie branquialOtolitosCerebrosVisión
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00273 - 0.01106), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.7 ±0.7 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).