SOME MORPHOLOGICAL FEATURES OF PALYCEPHALYDAE, MENIDAE AND PALYCEPHALYDAE, MENIDAE AND CYNOGLOSSIDAECYNOGLOSSIDA

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 !