Common names from other countries
Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335); constellatus: Name from Latin 'constellatus' meaning studded with stars, referrring to the arrangement of white bright spots in the dorsolateral region of the body; an adjective in masculine form..
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
South America: Brazil.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.7 cm SL αρσενικό/απροσδιόριστο; (Ref. 118066)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 13 - 15; Μαλακές ραχιαίες ακτίνες (συνολικά) : 8 - 11; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 8 - 9; Σπόνδυλοι: 29. This species is distinguished from its congeners by the following characters: presence of a very large midlateral spot, where each scale forming the spot usually bears one large white dot; in adult males, midlateral spot is almost reaching the dorsal-fin base being about 4-5 scales wide and 4 scales tall (vs. with two or three scale rows distance from the dorsal fin base in other species); the midlateral spot of females and juveniles is also large, but usually not extending above the upper lateral line; upper lateral line with 18-21 scales, usually 18-20 (vs.13-19 in all other species) (Ref. 118066).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Malabarba, L.R., M.C. Malabarba and R.E. Reis, 2015. Descriptions of five new species of the Neotropical cichlid genus Gymnogeophagus Miranda Ribeiro, 1918 (Teleostei: Cichliformes) from the rio Uruguay drainage. Neotrop. Ichthyol. 13(4):637-662. (Ref. 118066)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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=0.01862 (0.00849 - 0.04084), b=3.01 (2.83 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).