Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Cichlasomatinae
Etymology: Thorichthys: Greek, thoros, ou = semen (Ref. 45335).
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 6.5 - 7.5; dH range: ? - 10; non-migratory. Tropical; 26°C - 30°C (Ref. 7335); 22°N - 14°N, 95°W - 87°W
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.0 cm TL male/unsexed; (Ref. 5723); common length : 6.1 cm TL male/unsexed; (Ref. 12193)
Central America: Atlantic slope, in the Usumacinta River drainage, the Belize River drainage, and near Progreso, in Mexico, Guatemala and Belize.
Prefers lower and middle sections of rivers in slow moving waters (Ref. 7335). Lives in mud-bottomed and sand-bottomed canals and rocky ponds (Ref. 5723). Stays close to the shoreline vegetation for protection (Ref. 44091). Omnivorous, but feeds mainly on algae (Ref. 6466). Used in behavioral studies (Ref. 4537). Aquarium keeping: minimum aquarium size 100 cm (Ref. 51539).
Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: of no interest; aquarium: highly commercial
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.0 ±0.00 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (tm<1).
Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .