Abstract
RELATIONSHIP OF MOUTH OPENING AND LENGTH GROWTH TO FEED SIZE OF SNAKEHEAD LARVAE (CHANNA STRIATA)
Highlights
Fish larvae can grow more optimally by giving natural food at the right period according to the size of the larva's mouth opening, if the selection of the type of feed given is not right with the larva's mouth opening it can cause larvae cannot eat the natural food provided so that growth and survival are low (Mahardika et al, 2017)
Larval growth and survival are highly dependent on the development of early life which is very critical, especially when the period of endogenous nutrient turnover turns into exogenous feed consumption (Sulaeman & Fotedar, 2018) According to Houde, (2002), high mortality usually occurs during feed changes, in the endogenous to exogenous phase
The width of the mouth opening of the larvae for 35 days After hatching (AH) maintenance increased with increasing age of snakehead fish larvae; at the age of 3 days AH the mouth size was less than 1 mm
Summary
Fish larvae can grow more optimally by giving natural food at the right period according to the size of the larva's mouth opening, if the selection of the type of feed given is not right with the larva's mouth opening it can cause larvae cannot eat the natural food provided so that growth and survival are low (Mahardika et al, 2017). Larval growth and survival are highly dependent on the development of early life which is very critical, especially when the period of endogenous nutrient turnover turns into exogenous feed consumption (Sulaeman & Fotedar, 2018) According to Houde, (2002), high mortality usually occurs during feed changes, in the endogenous to exogenous phase. The relationship between mouth opening and length of snakehead fish larvae on the size of natural feed has not been studied. Based on the description of the problem above, it is necessary to research the measurement of the mouth opening and length of snakehead fish larvae so that the provision of natural feed after the egg yolk period become exogenous feed can be given according to the size of the mouth opening of snakehead fish larvae. The purpose of this study was to examine the relationship between the development of mouth opening and the total length of snakehead fish larvae (Channa striata) for the accuracy of natural feeding
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