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Mexican rivulus (Millerichthys robustus) fish species and information / pictures of Mexican rivulus - Millerichthys robustus
Mexican rivulus (Millerichthys robustus) fish species information
Scientific Name
Millerichthys robustus
Common Name
Mexican rivulus
Biology
Not a seasonal killifish (Ref. 27139).
Classification
Classified By
Miller & Hubbs, 1974
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Rivulines (Rivulidae)
Distribution
Region
Central America
Distribution
Central America: Papaloapan and Coatzacoalcos river basins in Mexico.
Range
Unknown
Environment
Climate
Tropical
Water Temperature From
Unknown
°C
Water Temperature To
Unknown
°C
Depth From - meters
Unknown
m
Depth To - meters
Unknown
m
Zone
demersal
Environment
Freshwater; demersal; non-migratory
Trophic Level
3.12 s.e. 0.37 Based on size and trophs of closest relatives
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
4.0
cm
Common Length
Unknown
cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Human Uses and Population
Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
Harmless
IUCN Red List Status
Data deficient (DD)