Taillessness and skeletal deformity in striped piggy Pomadasys stridens (Osteichthyes: Haemulidae) from the Persian Gulf

Taillessness (absence of the caudal fin and some of the caudal peduncle) and skeletal deformity is described in 2 striped piggy Pomadasys stridens (Haemulidae) specimens collected from the Persian Gulf along the coast of Hormuz Island, Iran. Deformed specimens were entirely missing caudal fins along...

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Bibliographic Details
Published in:Diseases of aquatic organisms 2019-01, Vol.132 (3), p.209-213
Main Authors: Alavi-Yeganeh, Mohammad Sadegh, Razavi, Somayeh, Egan, Joshua P
Format: Article
Language:English
Subjects:
Deformation mechanisms
Environmental conditions
Fins
Haemulidae
Pomadasys stridens
Posterior sections
Spine
Swim bladder
Vertebrae
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Summary:Taillessness (absence of the caudal fin and some of the caudal peduncle) and skeletal deformity is described in 2 striped piggy Pomadasys stridens (Haemulidae) specimens collected from the Persian Gulf along the coast of Hormuz Island, Iran. Deformed specimens were entirely missing caudal fins along with at least 1 caudal vertebra, caudal portions of vertebral columns were bent dorsoventrally, posterior sections of swim bladders were reduced in size, and caudal vertebral centra were compacted anteroposteriorly in 1 individual. Environmental conditions in the Persian Gulf may be responsible for these deformities, but genetic causes cannot be entirely ruled out.
ISSN:0177-5103
1616-1580
DOI:10.3354/dao03322