Hypsophrys nematopus (Günther, 1867)

Poor man's tropheus

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Cichlasomatinae
Synonyms	Neetroplus nematopus, Neetroplus fluviatilis, Neetroplus nicaraguensis, ... more
Common names	Moga, Leväkirjoahven, Grå Nicaragua-cichlide, ... more

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Main reference

Schmitter-Soto, J.J. 2007. (Ref. 74403)
Other references | Biblio | Coordinator : Kullander, Sven O. | Collaborators

Size / Weight / Age

Max length : 14.0 cm SL male/unsexed; (Ref. 36377)

Environment

Demersal; freshwater; pH range: 7.0 - 8.0; dH range: 9 - 20

Climate / Range

Tropical; 21°C - 34°C (Ref. 36880)

Central America: Atlantic slope of Nicaragua and western Costa Rica, in the San Juan River drainage, including Lake Nicaragua and Lake Managua.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 18 - 19; Dorsal soft rays (total): 9 - 10; Anal spines: 7 - 8; Anal soft rays: 6 - 7. This species is distinguished by the following set of characters: teeth properly incisor, even in young; caudal edge of mesethmoid with a unique shape; caudal edge of supraoccipital crest straight, inclined rostrad, its height 27% of postethmoid skull length; width of posterior premaxillary expansion greater than 41% of length of the same bone; arms of articular equal in length; gut S-folded ventrorostrally in adults, anal and medial loops nearly touching; with an abrupt, steep head profile (Ref. 74403).

Inhabits both lakes and rivers. Proliferates in rivers with medium to high velocities. Found between 35 and 535 m elevation (Ref. 36880). Feeds on aufwuchs which cover rocks and submersed trees and filaments of algae.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.7500

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Fec=50-60)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (20 of 100)	Not marketed/unknown

Entered by Casal, Christine Marie V.

Modified by Bailly, Nicolas

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