Developmental characters of bothid flatfishes of the genus Psettina
DRS at CSIR-National Institute of Oceanography
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Title |
Developmental characters of bothid flatfishes of the genus Psettina
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Creator |
Devi, C.B.L.
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Subject |
Ichthyology
morphometry meristic counts larval development marine fish Psettina iijimae Psettina brevirictis ISW, India |
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Description |
The developmental characters of two species of flatfishes @iPsettina brevirictis@@ and @iP. iijimae@@ have been discussed. Some common and different characters found during the developmental series have been highlighted. Preflexion larvae of both species have the characteristic urohyal appendage. Similarly, the sequence of development of larval spines on the urohyal and pelvic bones is similar, but @iP. iijimae@@ has a higher count of spines, particularly on the pelvic bones. An important distinguishing character is the formation of spinules on dorsal and anal fin rays in larvae of @iP. iijimae@@ versus their absence on larvae of @iP. brevirictis@@. Larvae of @P. iijimae@@ average about three more myomeres or vertebrae than larvae of @iP. brevirictis@@. D&A fin ray counts differ enough to be useful in identification of postflexion larvae. In @iP. iijimae@@ the swim bladder-occupies a space just above the intestinal loop, whereas in @iP. brevirictis, it is placed more anteriorly and is comparatively larger
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Date |
1995-05-06T09:57:12Z
2017-09-29T13:48:43Z 1995-05-06T09:57:12Z 2017-09-29T13:48:43Z 1981 |
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Type |
Journal Article
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Identifier |
Rapports et proces-verbaux des reunions / Conseil permanent international pour l'exploration de la mer, vol.178; 1981; 588-589
http://drs.nio.org/drs/handle/2264/6702 |
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Language |
en
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Relation |
Rapp P-v Reun Cons perm int Explor Mer (ICES Mar Sci Symp)
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Publisher |
Le Conseil
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