Semaphore tetra (Pterobrycon myrnae) fish species and information / pictures of Semaphore tetra - Pterobrycon myrnae

Semaphore tetra (Pterobrycon myrnae) fish species information

Scientific Name
Pterobrycon myrnae

Common Name
Semaphore tetra

Biology
Aquarium specimens reach 7.0 cm TL (Ref. 2060). Inhabits creeks of low to high current velocity. Collected in sites between elevations of 10 to 80 m, insectivorous (Ref. 36880).

Classification

Classified By
Bussing, 1974
Class
Ray-finned fishes (Actinopterygii)
Order
Characins (Characiformes)
Family
Characins (Characidae)

Distribution

Region
Central America
Distribution
Central America: Pacific drainages of southern Costa Rica, Jicote and Rincon rivers and the Esquinas River of Osa Peninsula.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
23 °C
Water Temperature To
26 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; ; pH range: 6.0 - 7.0; dH range: ? - 15 benthopelagic
Trophic Level
3.2 s.e. 0.42 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
3.9 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 (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