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Tropical gar (Atractosteus tropicus) fish species and information / pictures of Tropical gar - Atractosteus tropicus
Tropical gar (Atractosteus tropicus) fish species information
Scientific Name
Atractosteus tropicus
Common Name
Tropical gar
Biology
Inhabit backwaters and slow moving sections of rivers and lakes. Often found in the warm stagnant waters of the lowland. Visible on the surface and resemble floating logs. Enter shallow lakes at the beginning of the dry season to spawn and known to reproduce also in June and July when rains are heaviest and rivers flood their banks providing an ideal spawning habitat of flooded vegetation. Large schools form to cast thousands of eggs in a gelatinous mass in the shallow waters. The adults return again to the river leaving the fry amongst the flooded vegetation. The eggs are poisonous to eat.
Classification
Classified By
Gill, 1863
Class
Ray-finned fishes (Actinopterygii)
Order
Gars (Lepisosteiformes)
Family
Gars (Lepisosteidae)
Distribution
Region
Central America
Distribution
Central America: Caribbean and Pacific drainages of southern Mexico and Central America.
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
Trophic Level
4.23 s.e. 0.73 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
125
cm
Common Length
Unknown
cm
Phylogenetic Diversity Index
PD50 = 0.6406 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Human Uses and Population
Human Uses
Unknown
Vulnerability
High to very high vulnerability (70 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Threat To Humans
Poisonous to eat (Ref. 4537)
IUCN Red List Status
Not Evaluated