Proceedings of the California Academy of Sciences volume 44
Proceedings of the California Academy of Sciences volume 44
California Academy of Sciences
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Embryum are distinguished by their head spination. Larvae 7. 3 mm have 11-14 preoper- cular spines; the dorsalmost spine is the largest. In benthic juveniles of C. Embryum, the anus is advanced midway between the origin of the pelvic fins and the anal fin, as in other members of the genus. Juvenile C. Embryum are distin- guished from C. Globiceps, C. Analis, and C. Re- calvus by relatively light, mottled body pigmen- tation and long and slender nasal, postorbital, and frontoparietal cirri. Clin...ocottus embryum juveniles are distinguished from C. Acuticeps by the presence of a large number of ventral midline melanophores (15-21) and the absence of a membrane connecting the inner pelvic fin ray to the abdomen. PIGMENTATION. Melanistic pigmentation is absent on the head in preflexion C. Embryum larvae. One to 5 melanophores are scattered over the nape region. The dorsolateral surface of the gut is relatively lightly pigmented and occasion- ally several faint melanophores are present on the anterolateral surface of the gut below the pec- toral fins.
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