Ichthyology DictionaryIntroduction to Dictionaryby Brian W Coad
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the dermal bone in flatfishes of the family Psettodidae between the prefrontal and the frontal of the lower side.
pterygiophore (the cartilage or bone on the outer end of which sit the median fin rays or spines), sometimes the proximal …
dan leno spindle (a steel spindle through a dan leno bobbin, q.v. Also called spindle).
2) the anterior-posterior axis of the embryo.
1) a line.
2) axillary process.
1) a small scale superimposed or interspersed with large ones.
a small triangular appendage or a modified scale at the upper or anterior base of a paired fin. Also called accessory scale, …
a multicellular structure below the skin dorsal to the pectoral fin, e.g. in Ictalurus punctatus, suggested to produce toxin. …
a hole through the cleithrum bone of the pectoral fin.