Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Cichliformes
(Cichlids, convict blennies) > Cichlidae
(Cichlids) > Cichlinae
Etymology: Isthmoheros: Name from combination of ‘ isthmos’ meaning narrow passage or neck of land, with the old cichlid genus name Heros (meaning hero); referring to the isthmian hero, as it is the only eastern Isthmian genus that has its sister-genus on the opposite side of the Isthmus in western Panamá-Costa Rica..
More on authors: Meek & Hildebrand.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical; 25°C - 30°C (Ref. 7335)
Central America: Pacific slope of Panama (Tuíra and Bayano River basins).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.5 cm SL male/unsexed; (Ref. 36377)
A detritivore-herbivore that occurs in slow-moving waters (Ref. 114771).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Říčan, O., L. Piálek, K. Dragová and J. Novák, 2016. Diversity and evolution of the Middle American cichlid fishes (Teleostei: Cichlidae) with revised classification. Verteb. Zool. 66(1):1-102. (Ref. 114771)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00706 - 0.03245), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (19 of 100).