. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. POP "OP Figure 38. A. Bones of the upper jaw in the gadiform Ogilbia. Note the notched postmaxillary process (NOT) of the premaxilla (PM). B. Opercular apparatus and jaw suspension in the gadiform Pollachius virens. Other Abbreviations: ECT, ectopterygoid; ENT, endopterygoid; HM, hyomandibula; lOP, interoperculum; MPT, meta- pterygoid; MX, maxilla; OP, operculum; P, palatine; POP, preoperculum; Q, quadrate; SMX, supramaxilla; SOP, sub- operculum. those of the gobiesociforms. The former represent the world's most
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. POP "OP Figure 38. A. Bones of the upper jaw in the gadiform Ogilbia. Note the notched postmaxillary process (NOT) of the premaxilla (PM). B. Opercular apparatus and jaw suspension in the gadiform Pollachius virens. Other Abbreviations: ECT, ectopterygoid; ENT, endopterygoid; HM, hyomandibula; lOP, interoperculum; MPT, meta- pterygoid; MX, maxilla; OP, operculum; P, palatine; POP, preoperculum; Q, quadrate; SMX, supramaxilla; SOP, sub- operculum. those of the gobiesociforms. The former represent the world's most vahiable food fishes. Many species Hve near the bottom and utiHze the benthic invertebrate tauna as food. Gadids also hold the record for being the most prolific egg producers, a single large female laying around 9,000,000 eggs in one spawning season. The Macrouridae (rattails; 15 genera and about 250 species) have large heads and eyes, long tapering tails and live in the depths of all the oceans in tremen- dous abundance (Okamura, 1970). Some of the eelpouts (Zoarcidae) are vivipa- rous, giving birth to as many as 40 young. Zoarcids are common fishes in the cold waters of both the Arctic and Antarctic. Twenty-eight zoarcid genera with 65 species have been described (Nielsen, 1968; McAllister and Rees, 1964). The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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