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Night-time Movement of Fish in Coastal Waters of Terengganu

Sakri Ibrahim, M.A. Ambak and Gunzo Kawamura

Pertanika Journal of Tropical Agricultural Science, Volume 20, Issue 1, April 1997

Keywords: driftnet, fish, night-time movement pattern, enmeshed direction, current, migration pattern, coastal waters

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Abstract

The night-time movement pattern of 15 fish species in Terengganu waters was inferred from the driftnet catch obtained from experimental drift netting in two monsoon seasons. Nets shot perpendicular to the coast drifted northward or southward parallel to the coast at 0.33-1.78 km/h. Thirteen out of 15 species caught were enmeshed Significantly against the current. Observations on gonad development of some migratory pelagic species showed that these species were on spawning migration to nearby known spawning areas. Daytime and long-term movement patterns remain unknown.

ISSN 1511-3701

e-ISSN 2231-8542

Article ID

JTAS-0139-1997