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Morphological characteristics of selected body parts of trigger fishes (Tetradontiformes, Balistidae) from India with details on ultrastructural features of body scales

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Title Morphological characteristics of selected body parts of trigger fishes
(Tetradontiformes, Balistidae) from India with details on
ultrastructural features of body scales
Not Available
 
Creator Sanil,N K
Joshi,K K
Sahayak,Satish
 
Subject Caudal peduncle
Morphology
Nasal apertures
Scales
SEM
Teeth
Trigger fishes
 
Description Not Available
The morphological characters like shape of teeth, nasal apertures, gill rakers and scales of trigger fishes collected from
southern India were studied during the period 2000-2002. Based on the shape of the first and second teeth of the upper and
lower jaw, five types have been identified. The anterior nasal aperture has different shapes, which is species specific but the
posterior aperture is similar in all species. Based on the shape of the anterior nasal aperture, five types have been identified.
The outermost branchial arch possesses gill rakers and based on shape they are divided into five types. Scales on body and
caudal peduncle are diamond shaped, whereas scales on cheek are rhomboid, rectangular, square or triangular occurring in
different combinations. The arrangement of scales on body, abdomen and caudal peduncle were similar in all the species
studied while scales are arranged in three patterns on cheek. Scales on cheek are of seven types based on shape of the scale
and type of protuberances it possessed on the posterior margin. Body scales are of five types and scales on abdomen are of
three types. Transverse section of body scales under the scanning electron microscope (SEM) revealed that the scales consist
of four layers. Studies on the ultrastructure of the anterior margin of the body scales revealed that there are five types; based
on the type of protuberances it possesses and there are of four types of posterior margin.
Not Available
 
Date 2021-09-16T09:18:03Z
2021-09-16T09:18:03Z
2013
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/63205
 
Language English
 
Relation Not Available
 
Publisher Central Marine Fisheries Research Institute