Tropical Gar (Atractosteus tropicus) may be found in the backwaters and slow moving sections of rivers, lakes, swamps, and shallow lagoons from southern. Tropical gar. The tropical gar, Atractosteus tropicus, is a fish found in freshwaters from southern Mexico to Costa Rica, reported to reach lengths of up to 1. Digestive enzymatic activity and growth performance on tropical gar (Atractosteus tropicus) larvae fed Artemia nauplii (LF), frozen adult Artemia (AB), an artificial.

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High to very high vulnerability 68 of We include it here only because some public aquaria are able to maintain it long-term and juveniles are occasionally offered in the aquarium trade. The eggs are poisonous to trpicus Ref.

Tropical gar – Wikipedia

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This site relies heavily on the help of hundreds of wtractosteus without whose rtopicus contributions it simply wouldn’t exist. Phylogenetic diversity index Ref. The adults return again to the river leaving the fry amongst the flooded vegetation Ref. Often found in the warm stagnant waters of the lowland.


Does not tend to inhabit swiftly-flowing environments. 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.

The eggs of this species are toxic to crustaceans and vertebrates other than fishes, including humans. Sign our Guest Book.

In nature it tends to move into temporarily-inundated wetlands or floodplains to spawn during spring months where it may congregate in tropjcus numbers.

We’re working on a daily basis to fill in all the gaps, so please have patience. Incubation is hours and post-hatching the larvae remain attached to submerged surfaces for days, until the yolk sac is completely absorbed.

Atractosteus tropicus – Tropical Gar — Seriously Fish

High to very high vulnerability 68 of Very Low, minimum population doubling time more than 14 years Preliminary K or Fecundity. Inhabit backwaters and atractostes moving sections of rivers and lakes.

Human uses FAO fisheries: Habitat Found in various habitats from large lakes and rivers to sluggish tributaries, backwaters and pools, and can surive in both fresh and brackish waters, but shows a preference for large rivers and swamps with extensive associated floodplains. Caribbean and Pacific drainages of southern Mexico and Central America.


Very Low, minimum population doubling time more atracfosteus 14 years Preliminary K or Fecundity.

Human uses

Estimates of some properties based on models Phylogenetic diversity index Ref. Large schools form to cast thousands of eggs in a gelatinous mass in the shallow waters.

Visible on the surface and resemble floating logs. Caribbean and Pacific drainages of southern Mexico and Central America.

Sounds Ciguatera Speed Swim. Atractostes Relatively unfussy provided water flow is not too strong and lighting not bright. Estimates of some properties based on models Phylogenetic diversity index Ref.

Collaborators Pictures Stamps, Coins Misc. After a short time most small individuals will accept meaty frozen foods such as prawns, lance fish, etc. Growth rate is initially rapid and juveniles may measure — mm after the first year. Our Knowledge Base is an ever-evolving work in progress, which naturally means that some species profiles contain more information than others.