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SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAE PHAM QUOC HUY

SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAE PHAM QUOC HUY Research Institute for Marine Fisheries - Vietnam. REVIEW OF MORPHOLOGICAL FEATURES. 1. Platycephalidae

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SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAE PHAM QUOC HUY

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  1. SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAE PHAM QUOC HUY Research Institute for Marine Fisheries - Vietnam

  2. REVIEW OF MORPHOLOGICAL FEATURES 1. Platycephalidae - Platycephalids are small to medium size, elongate fishes with a strongly depressed head. They are benthic ambush predators and are found primarily on sand or mud bottom of estuarine and coastal waters, bur some are associated with rocky or coral reef areas. Some species are commercially and recreationally important. - From the tropical Indo - Pacific region, 14 genera and approximately 50 species are recognized. - Demersal, burrying in the bottom. Feed mainly on crustaceans and small fishes. Occurring at about 10-300 m. Maximum length about 1.1 m.

  3. REVIEW OF MORPHOLOGICAL FEATURES 2. Menidae - Menids are small to moderate fish with an extremely compressed disc-like body. This monotypic famly occurs in habitats ranging from estuaries to the outer shelf.

  4. REVIEW OF MORPHOLOGICAL FEATURES 3. Cynoglossidae - Tonggue soles are elongate, small to moderate, sinistral flatfishes with continuous medial fins. They are benthic carnivores and occur on soft bottoms. There are three Indo-Pacific general in two subfamilies with approximately 60 species, many of which are commercially important. - To about 48 cm maximum length, usually below 30 cm. Tongue fishes are found in warm waters of all oceans (between 40° latitudes). Most species occur in shallow water or estuaries; Symphurinae are in deep water of 300-1,900 m; many species are commercially important. Five species are known primarily from rivers

  5. OBSERVER FROM THE SAMPLE - Sampling location: SW-SE Vietnam - Sample gear: Bottom trawl - Stage: Plexion 1. Platycephalidae Measurements: - BL: 5.0mm SnL: 0.8mm - HL: 2.1mm PAL: 3.2mm - ED: 0.5mm BD : 1.7mm Counts: D: IX-13; A: 11; P1:19; P2:5; C:15

  6. OBSERVER FROM THE SAMPLE - Sampling location: SW-SE Vietnam - Sampling gear: Bottom trawl - Stage: Plexion - Counts: D: IV-26; A: I-24; C: 19; Myomeres: 25 2. Menidae - Mene maculata Measurements: - BL: 4.2mm; SnL: 0.5mm - HL: 1.5mm; PAL: 2.1mm - ED: 0.6mm; BD: 3.5mm

  7. OBSERVER FROM THE SAMPLE - Sampling location: West Kalimatan - Indonesia - Sampling gear: Bongo net - Stage: Plexion 3. Cynoglossidae Measurements: - BL: 9.4mm; SnL: 0.44mm - HL: 2.4mm; PAL: 3.6mm - ED: 0.26mm; BD: 1.5mm Counts: D: 95; A: 83; P2: 4; C: 11 Myomeres: 48

  8. THANK YOU !

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