. Commercial fisheries review. Fisheries; Fish trade. Fig. 7 - Surf clam shell (top) and eroded sea scallop shell on the sea bottom off New Jeisey (Lat. 39°' N., Long. 73°' W.); photo taken by R/V "Gosnold" at station 137S; waterdeptfa 21 fa^oms; bottom sediment medium and coarse brown Fig. 8 - Surf clam shell on sea bottom with other shell fragments and sand-dollar tests; taken by R/V "Gosnold" off New Jeisey (Lat. 38°' N., Long. 73°45' W.) at station 1353; water depth 24 fathoms; bottom sediment brown medium sand. photographs; only the shells of dead sp
. Commercial fisheries review. Fisheries; Fish trade. Fig. 7 - Surf clam shell (top) and eroded sea scallop shell on the sea bottom off New Jeisey (Lat. 39°' N., Long. 73°' W.); photo taken by R/V "Gosnold" at station 137S; waterdeptfa 21 fa^oms; bottom sediment medium and coarse brown Fig. 8 - Surf clam shell on sea bottom with other shell fragments and sand-dollar tests; taken by R/V "Gosnold" off New Jeisey (Lat. 38°' N., Long. 73°45' W.) at station 1353; water depth 24 fathoms; bottom sediment brown medium sand. photographs; only the shells of dead speci- mens were detected (figs, 7 and 8), We could not definitely distinguish in all photographs the shells of S. solidissima from a rather rare species that has a similar ap- pearance: Spisula polynyma Stimpson. The photographic occurrence records on the chart, therefore, may include a few shells of the latter species. For more information about the surf clam and its fishery, see: Turner, 1953; Merrill and Webster, 1964; Parker, 1966; Growlage and Barker, 1967; Parker, 1967; and Stand- ley and Parker, 1967. OCEAN QUAHOG Mahogany Quahog, Mahogany Clam, Black Clam The ocean quahog, Arctic a islandica Lin- naeus, occurs in North American waters from Newfoundland to Cape Hatteras, N. C. It is found at water depths between about 5 and 80 fathoms, and is most common in sandy mud substrates. Its shape is similar to the com- mon quahog or hard-shell clam, Mercenaria (Venus) mercenaria Linnaeus, but the exteri- or surface of its shell is covered with a rath- er thick black periostracum. The fishery for oceanquahogs began dur- ing 1953 in Rhode Island, and interest in this species has remained localized there and in. 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 United States. National Marine Fisheries Service;
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