SOME MORPHOLOGICAL FEATURES OF SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAE CYNOGLOSSIDAE PHAM QUOC HUY PHAM QUOC HUY Research Institute for Marine Fisheries - Vietnam Research Institute for Marine Fisheries - Vietnam REVIEW OF MORPHOLOGICAL FEATURES REVIEW OF MORPHOLOGICAL FEATURES 1. Platycephalidae 1. Platycephalidae - Platycephalids are small to medium size, elongate - Platycephalids are small to medium size, elongate fishes with a strongly depressed head. They are benthic fishes with a strongly depressed head. They are benthic ambush predators and are found primarily on sand or ambush predators and are found primarily on sand or mud bottom of estuarine and coastal waters, bur some mud bottom of estuarine and coastal waters, bur some are associated with rocky or coral reef areas. Some are associated with rocky or coral reef areas. Some species are commercially and recreationally important. species are commercially and recreationally important. - From the tropical Indo - Pacific region, 14 genera and - From the tropical Indo - Pacific region, 14 genera and approximately 50 species are recognized. approximately 50 species are recognized. - Demersal, burrying in the bottom. Feed mainly on - Demersal, burrying in the bottom. Feed mainly on crustaceans and small fishes. Occurring at about 10- crustaceans and small fishes. Occurring at about 10- 300 m. Maximum length about 1.1 m. 300 m. Maximum length about 1.1 m. REVIEW OF MORPHOLOGICAL FEATURES REVIEW OF MORPHOLOGICAL FEATURES 2. Menidae 2. Menidae - Menids are small to moderate fish with an extremely - Menids are small to moderate fish with an extremely compressed disc-like body. This monotypic famly occurs compressed disc-like body. This monotypic famly occurs in habitats ranging from estuaries to the outer shelf. in habitats ranging from estuaries to the outer shelf. REVIEW OF MORPHOLOGICAL FEATURES REVIEW OF MORPHOLOGICAL FEATURES 3. Cynoglossidae 3. Cynoglossidae - Tonggue soles are elongate, small to moderate, - Tonggue soles are elongate, small to moderate, sinistral flatfishes with continuous medial fins. They are sinistral flatfishes with continuous medial fins. They are benthic carnivores and occur on soft bottoms. There are benthic carnivores and occur on soft bottoms. There are three Indo-Pacific general in two subfamilies with three Indo-Pacific general in two subfamilies with approximately 60 species, many of which are approximately 60 species, many of which are commercially important. commercially important. - To about 48 cm maximum length, usually below 30 - To about 48 cm maximum length, usually below 30 cm. Tongue fishes are found in warm waters of all cm. Tongue fishes are found in warm waters of all oceans (between 40° latitudes). Most species occur in oceans (between 40° latitudes). Most species occur in shallow water or estuaries; Symphurinae are in deep shallow water or estuaries; Symphurinae are in deep water of 300-1,900 m; many species are commercially water of 300-1,900 m; many species are commercially important. Five species are known primarily from rivers important. Five species are known primarily from rivers OBSERVER FROM THE SAMPLE OBSERVER FROM THE SAMPLE 1. Platycephalidae 1. Platycephalidae Measurements: Measurements: - BL: 5.0mm - BL: 5.0mm SnL: 0.8mm SnL: 0.8mm - HL: 2.1mm - HL: 2.1mm PAL: 3.2mm PAL: 3.2mm - ED: 0.5mm - ED: 0.5mm BD : 1.7mm BD : 1.7mm Counts: Counts: D: IX-13; A: 11; P1:19; P2:5; C:15 D: IX-13; A: 11; P1:19; P2:5; C:15 - Sampling location: SW-SE Vietnam - Sampling location: SW-SE Vietnam - Sample gear: Bottom trawl - Sample gear: Bottom trawl - Stage: Plexion - Stage: Plexion OBSERVER FROM THE SAMPLE OBSERVER FROM THE SAMPLE 2. Menidae 2. Menidae - - Mene maculata Mene maculata - Sampling location: SW-SE Vietnam - Sampling location: SW-SE Vietnam - Sampling gear: Bottom trawl - Sampling gear: Bottom trawl - Stage: Plexion - Stage: Plexion - Counts: D: IV-26; A: I-24; C: 19; Myomeres: 25 - Counts: D: IV-26; A: I-24; C: 19; Myomeres: 25 Measurements: Measurements: - BL: 4.2mm; - BL: 4.2mm; SnL: 0.5mm SnL: 0.5mm - HL: 1.5mm; - HL: 1.5mm; PAL: 2.1mm PAL: 2.1mm - ED: 0.6mm; - ED: 0.6mm; BD: 3.5mm BD: 3.5mm OBSERVER FROM THE SAMPLE OBSERVER FROM THE SAMPLE 3. Cynoglossidae 3. Cynoglossidae - Sampling location: West Kalimatan - Indonesia - Sampling location: West Kalimatan - Indonesia - Sampling gear: Bongo net - Sampling gear: Bongo net - Stage: Plexion - Stage: Plexion Measurements: Measurements: - BL: 9.4mm; - BL: 9.4mm; SnL: 0.44mm SnL: 0.44mm - HL: 2.4mm; - HL: 2.4mm; PAL: 3.6mm PAL: 3.6mm - ED: 0.26mm; - ED: 0.26mm; BD: 1.5mm BD: 1.5mm Counts: Counts: D: 95; A: 83; P2: 4; C: 11 D: 95; A: 83; P2: 4; C: 11 Myomeres: 48 Myomeres: 48 THANK YOU ! THANK YOU !