Poor man's tropheus (Hypsophrys nematopus) fish species and information / pictures of Poor man's tropheus - Hypsophrys nematopus

Poor man's tropheus (Hypsophrys nematopus) fish species information

Scientific Name
Hypsophrys nematopus

Common Name
Poor man's tropheus

Biology
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).

Classification

Classified By
G?nther, 1867
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cichlids (Cichlidae)

Distribution

Region
Central America
Distribution
Central America: Atlantic slope of Nicaragua and western Costa Rica, in the San Juan River drainage, including Lake Nicaragua and Lake Managua.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
21 °C
Water Temperature To
34 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; ; pH range: 7.0 - 8.0; dH range: 9 - 20 demersal
Trophic Level
2 s.e. 0.00 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
14.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (20 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec=50-60)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated