Early Life-History of the Eel Moringua Edwardsi (Pisces, Moringuidae) in the Western North Atlantic
Abstract:The eel Morillgua edwardsi (Jordan and Bollman, 1889) is known principally from immature specimens in the western North Atlantic from Bermuda southwards to Atlantic Panama and Colombia. Its distinctive larva, earlier recognized as Leptocephalus diptychus Eigenmann, 1900, has about seven alternating, midlateral melanophores and also one in front of the anus. Larvae have 110–124 myomeres, hatch at about 5 mm TL and reach full growth at 50 mm TL, a process which takes 3–5 months, before metamorphosis begins. They live in the upper 35 m and occur over a broad area of the western North Atlantic encompassing 10°–40°N and 40°–88°W but those of about 10mm TL occur only near the Caribbean Islands. Spawning is suggested to occur in the Caribbean the year round but principally at monthly intervals from November to April. Some larvae are dispersed out into the Atlantic by the Gulf Stream. This pattern of distribution and dispersal is similar to that of the only other Atlantic moringuid Neoconger mucronatus Girard, 1859.
Document Type: Research Article
Publication date: January 1, 1979
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