Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Skates)
Etymology: leviveneta: Name from latin 'laevis' meaning smooth, bald and 'venetus' for sea-colored or blue, referring to the appearance of the dorsal disc.. More on author: Last.
Environment / Climate / Range
Ecology
Marine; bathydemersal; depth range 300 - 1200 m (Ref. 58023). Deep-water, preferred ?
Southwest Pacific: Lord Howe Rise, Challenger Plateau and northern continental slope of New Zealand south to the Clatham Rise, onto the Campbell Plateau, Pukaki Rise and Bounty Platform.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 50.9 cm male/unsexed; (Ref. 58023)
Short description
Morphology | Morphometrics
A small species having the following diagnostic characters: long tail, 1.2-1.3 times disc length, 2.1-2.6 times ventral head length, 4-5 times snout length; large orbit, 2.6-3.4 in preorbital snout length; tail base moderately broad, width at pelvic-fin insertions 1.9-2.7 times width at midlength; denticles confined to central disc behind eye; tail thorns in single, median row; single, well-developed preorbital and postorbital thorns; ventral disc and tail naked; rostral thorn bifurcated, pronounced, close to snout tip, distance from snout tip 3-4.3 in preorbital length; calcified rostral shaft long; alar thorns in small patch of long-based, posteromedially directed thorns flanked laterally by patch of much smaller, more posteriorly directed malar thorns; additional malar thorn patch lateral to eye, usually separate from posterior patch; upper surface bluish, ventral surface much darker bluish brown; rows of strongly contrasted, pale-edged pores on ventral surface; nuchal pore band is distinct; total pectoral radials 64-69; predorsal vertebrae 95-100; tooth rows in the upper jaw 32-43 (Ref. 58023).
Male paratype mature at 43.2 cm TL (Ref. 58023).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00253 - 0.01042), b=3.12 (2.95 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.8 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): High vulnerability (56 of 100) .
