. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Stromateoid Fishes • Haedrich 107. Figure 43. Branchial region of Pepnius triacanthus, drawing of a cleored-and-sfained preparation from a 120-mm specimen. Elements identified in Figure 2. cies is very close to P. biiiti Fowler, from which it is distinguished by a slightly higher vertebral count (Collette, 1963). These two fonns have only recently di- verged. This fish is usually known as Poro- notus triacanthits, the "butterfish" of North American fisheries literature. Stromatcus ciyptoms Mitchill, 1815, fr
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Stromateoid Fishes • Haedrich 107. Figure 43. Branchial region of Pepnius triacanthus, drawing of a cleored-and-sfained preparation from a 120-mm specimen. Elements identified in Figure 2. cies is very close to P. biiiti Fowler, from which it is distinguished by a slightly higher vertebral count (Collette, 1963). These two fonns have only recently di- verged. This fish is usually known as Poro- notus triacanthits, the "butterfish" of North American fisheries literature. Stromatcus ciyptoms Mitchill, 1815, from New York Bay, is a synonym. Peprilus simillimiis (Ayres, 1860) = Poro- notus similliiims Ayres. West coast of North America, British Columbia to Baja Califor- nia, type locality San Francisco. D III 45- 47. A III 39-44. P 20-22. Vertebrae 13 + 17. This species is a member of the P. tiia- canthiis-burti complex. Peprilus medius (Peters, 1869)=S7ro- matcus medius Peters. Known onlv from Mazatlan, Mexico, Pacific Coast. D III 42. A III 32. (From Fordice, 1884.) Possibly a synonym of P. simiUimus (Ayres, 1860). Peprilus polometa (Jordan and Bollman, 1889) = "^Stromateus palometa Jordan and Bollman. Pacific coasts of Panama and Colombia. D III 44-48. A II 43-46. P 22- 23. Gill-rakers 5-6 + 1 + 15-16. Vertebrae 13 + 20-21. This deep-bodied fish with fal- cate median fins is a member of the Atlan- tic P. alepidotus-paru group. *P. smjderi Gilbert and Starks, 1904. Known only from Panama Bay. D III 41- 47. A III 41-42. P 22-23. Gill-rakers 4 + 1 + 14. Vertebrae 13 + 23. This rarely seen species is distinguished from P. palometa (Jordan and Bollman, 1889) in having more vertebrae, a longer snout, and very short. 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 Zoolog
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