Order : Lepisosteiformes Family : Lepisosteidae. 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. Does not tend to inhabit swiftly-flowing environments. Hardness : 90 — ppm. It can sometimes be tricky to get newly-introduced captive individuals to accept dead foods though most will learn to do so following a short period of starvation. After a short time most small individuals will accept meaty frozen foods such as prawns, lance fish, etc.
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Next Previous Species from this genus Atractosteus tropicus. Similar Species. Atractosteus tropicus Gill, Tropical gar. Body elongate, moderately slender and robust; long conical, relatively broad snout; nostrils at front of snout; operculum nearly as deep as long, angular behind and convex below; large fangs on both jaws, in two rows on top jaw and one on bottom; gill rakers large and flattened, with top edge convoluted, on first gill arch; pectoral low on flank; pelvics at about middle of body; dorsal 1 and anal fin at rear just before tail; fins without spines; vertebral column continues upwards in a fleshy ridge at base of tail fin; tail a fan with its top edge covered by bony scales; body covered with an armor of large, heavy, rhomboidal scales, attached diagonally to each other by peg-and-socket; lateral line scales, scales before dorsal fin; anus bordered by three modified scales; dorsal, tail and anal fins with bony scales bordering first ray, top edge of tail fin covered with bony scales.
Adult: dark to pale brown with numerous dark brown blotches above; a dark stripe along flank; sometimes a dark spot on upper base of tail. Reaches cm. Depth: m. Found in Caribbean and Pacific rivers; enters estuaries of Pacific drainages. From southern Mexico to Costa Rica on the Pacific coast. Egg Type No pelagic larva Benthic No data.
Atractosteus tropicus Gill, 1863
Species: Atractosteus tropicus, Tropical gar