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Calypso tetra (Hyphessobrycon axelrodi) fish species and information / pictures of Calypso tetra - Hyphessobrycon axelrodi
Calypso tetra (Hyphessobrycon axelrodi) fish species information
Scientific Name
Hyphessobrycon axelrodi
Common Name
Calypso tetra
Biology
Inhabits clear to slightly turbid standing water at low elevations and along the edges of swamps (Ref. 11225). Occurs frequently in brackish waters (Ref. 11225). Maximum length of aquarium specimen 4.0 TL (Ref. 12468).
Classification
Classified By
Travassos, 1959
Class
Ray-finned fishes (Actinopterygii)
Order
Characins (Characiformes)
Family
Characins (Characidae)
Distribution
Region
Central America
Distribution
Central America: Trinidad.
Range
Unknown
Environment
Climate
Tropical
Water Temperature From
22
°C
Water Temperature To
23
°C
Depth From - meters
Unknown
m
Depth To - meters
Unknown
m
Zone
benthopelagic
Environment
Freshwater; brackish; ; pH range: 5.5 - 6.0 benthopelagic
Trophic Level
2.97 s.e. 0.33 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True
Physical Size and Genetics
Maximum Length
2.2
cm
Common Length
Unknown
cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Human Uses and Population
Human Uses
Aquarium: highly commercial
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
Not Evaluated