Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Subtropical
South America: San Juan province in Argentina.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.1 cm SL male/unsexed; (Ref. 95056)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 9 - 10; Vertebrae: 38. Caudal peduncle length 22.0-23.9% SL; caudal peduncle expanded posteriorly toward caudal fin; absence of pelvic girdle and pelvic fin; 9-10 dorsal-fin rays (5-6 branched rays); 7 pectoral-fin rays; 38 vertebrae total, 9 opercular odontodes, 20 interopercular odontodes; wide supraorbital tendon bone (Ref. 93164); and the insertion point of the first proximal dorsal-fin pterygiophore posterior to the neural spine of vertebra 22 (Ref. 95056).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Fernández, L., E.A. Sanabria, L.B. Quiroga and R.P. Vari, 2014. A new species of Silvinichthys (Siluriformes, Trichomycteridae) lacking pelvic fins from mid-elevation localities of the southern Andes, with comments on the genus. J. Fish Biol. 84(2):372-382. (Ref. 95056)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00319 - 0.02993), b=3.02 (2.77 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
