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Procedure
Based on the exercise11. separate the group of Sygnathiformes and Scop using the character .
Syngnathiformes
-
snout tube-like;
-
scales modified to form series of bony plates.
Scorpaeniformes
Cheeks with a bony strut (posterior extension of suborbital bone to preopercle); Well developed spines on head and prominent spines in dorsal fin; pectoral fins rounded; membranes between- lower rays often incised;
- caudal fin rarely forked.
SOLENOSTOMIDAE
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Tube like mouth
-
large caudal fin
-
body encased in numerous joined bony rings
-
Called lizard fish as well as sea horse
FISTULARIIDAE
- Body slender
- Mouth tube like
- Caudal fin with enlarged middle ray
CENTRISCIDAE
- Shrimp like body covered with sheilds.
PLATYCEPHALIDAE
SCORPAENIDAE
- Bony strut in the head region.
Spiny flatheads
Based on the figures given identify some of the similar species available in your region.
Finally write the classification.
SYNGNATHIDAE Group the fishes based on the following character.Body elongate,Last modified: Friday, 24 February 2012, 9:39 AM