Aspek Biologi Makanan Dan Morfometrik Saluran PEncernaan Ikan Buntal Pisang (Tetraodon Lunaris) Dari Sungai Ibu Mandah Indragiri Hilir, Riau
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Date
2013-02-27
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Abstract
A study biology aspect were food and morphometric of the digestive apparatus of
the puffer fish {Tetraodon lunaris) have been done in Ibu Mandah River, Riau. There
were about stomach content analysis anda few of parameter the digestive apparatus. The
natural feed in the stomach of puffer fish were the groups of Bacillaryophyceae,
Cyanophyceae, Chlorophyceae, Desmidiaceae, Euglenophyceae, Pyrophyceae,
Chrysophyceae, Entomostraca, rhizophoda. Rotatoria, rotifera, Ciliata, a piece of fish, a
piece of shrimp, a piece of shell fish, a piece of crab and a piece of snail. The highest
frequency of occurrence and relative density was show by the groups of
Baccilaryophyceae, Cyanophyceae, Chlorophyceae, Desmidiaceae, a piece of fish,
entamostraca and a piece of snail. The females and males of puffer fish were omnivorous
based on intestine length, where intestine length males were 1.5-2.0 times the body length
and females were 1.3-2.3 times the body length. The ratio of stomach, interstine length
and ratio ISI {Intestinal Somatic Index) had positive correlation the puffer fish was total body length. The food habits of fish had influenced the intestine length and body length offish
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Keywords
Tetraodon lunaris, Morphometric, Stomach content analysis