Classification / Names
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Acropomatiformes (Oceanic basses) >
Malakichthyidae (Temperate ocean-basses)
Etymology: costai: Named for Dr. Paulo Alberto Silva da Costa (UNIRIO/Brazil)..
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 233 - 294 m (Ref. 122020). Tropical
Distribution
Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Southwest Atlantic: Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm SL mâle / non sexé; (Ref. 122020)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 10; Rayons mous dorsaux (Total) : 10; Épines anales: 2; Rayons mous anaux: 9; Vertèbres: 25. This species is distinguished by the following characters: moderately slender with flat dorsal head profile leading up to ’humpback’ structure at beginning of first dorsal fin; snout pointed, inferior, steeply inclined; pectoral-fin rays 15-16, its length 23.6-29.7% SL; A II+9, first anal-fin pterygiophore moderately long, with broad hollow base and straight to slightly backward bent tip; vomer V-shaped with 2-3 rows of granular teeth and 0-1 longer tooth near sides of base; palatine narrow, with 1-2 rows of granular teeth; eye diameter 13.1-16.9% SL; snout length 8.2-11.3% SL; gill rakers 27-31; pseudobranchial filaments 15-23; many longitudinal ridges on preopercular lobe; inner edge of preopercle with 3-6 denticles; otolith compressed (OL:OH = 1.3-1.35); maximum length not exceeding 8.6 cm SL (Ref. 122020).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Schwarzhans, W.W., M.M. Mincarone and B.T. Villarins, 2020. A new species of the genus Verilus (Teleostei, Percomorpha, Acropomatidae) from Brazil. Zootaxa 4751(3):589-596. (Ref. 122020)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00468 - 0.02819), b=3.03 (2.82 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).