Macrognathus aculeatus

Family Mastacembelidae. Distribution Southeast Asia to the Moluccas. Description Shape: characteristic eel shape, with an extended snout which contains the nostrils The head is also long and pointed. The dorsal, caudal and anal fins adjoin one another, but are not linked by a fin membrane The soft-rayed dorsal fin is preceded by fourteen or fifteen isolated spines. No pelvic fins. Co/or. chocolate to tan, often with stripes on the back. The three to ten peacock's-tail spots on the dorsal fin are sometimes absent. Size: up to 6 in (15 cm). Sexual differences females essentially stronger, becoming very stout at spawning time.

Environment Fresh and brackish waters. Temperature: 72-82 "F (22-28 "C). Fish kepi permanently at too high a temperature are more susceptible to infections and are shorter-lived. pH and water hardness: not important. Substrate and furnishings: the chief requirement is for cover. The tank should be thickly planted. A particularly deep layer of sand should be provided. Feeding All types of live food. The fish can suck up their prey.

Biology Behavior: peaceable; active at twilight and in darkness Reproduction: not yet achieved in an aquarium Compatibility : best suited to a species tank.

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