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Membras martinica, the rough silverside, is a species of Neotropical silverside from the family Atherinopsidae, it is the type species of the genus Membras.
Membras martinica has an elongated body with a rather pointed snout and oblique mouth. The color is pale yellow to off-white with silvery stripe along the flanks and a white swimbladder which can be seen through its flesh. There are two dorsal fins, there are only spines in the first dorsal fin. The pectoral fins are situated high on its flanks. The back has parallel colored rows. This species has scales which are rough to the touch. The caudal fin has a dusky margin.[3] The maximum recorded total length of 12.5 centimetres (4.9 in).[2]
Membras martinica occurs in the western central Atlantic as far north as New York south to Veracruz in Mexico. It has also been recorded in rivers, for example in the Hudson River as far upstream as Peekskill, New York and far upstream in the St. John's River, Florida as well as from a number of Mexican river systems.[1]
Membras martinica is a pelagic species which occurs in a variety of different habitat types. The normal habitat is exposed shoreline and beaches where there is a firm substrate is also occurs on coastal rivers.[1] On the coastlines around the Gulf of Mexico the females are ripe in the warmer months from early Spring in to the early fall with a hiatus reported between May and July. This results in two size classes of juveniles each year. Spawning occurs just beyond the surf zone and the eggs are demersal and stick to each other, forming large clusters which are transported into the intertidal zone by the waves.[4]
Membras martinica is the type species of the genus Membras.[5] It was described by Achille Valenciennes in 1835 as Atherina martinica from a type locality of Martinique,[6] the island from which the specific name is derived.[7]
Membras martinica, the rough silverside, is a species of Neotropical silverside from the family Atherinopsidae, it is the type species of the genus Membras.
Membras martinica Membras generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Atherinopsidae familian.
Membras martinica Membras generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Atherinopsidae familian.
Membras martinica is een straalvinnige vissensoort uit de familie van koornaarvissen (Atherinidae).[2] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1835 door Valenciennes.
De soort staat op de Rode Lijst van de IUCN als niet bedreigd, beoordelingsjaar 2009.[1]
大頭糙銀漢魚，為輻鰭魚綱銀漢魚目擬銀漢魚科的其中一種，分布於西大西洋紐約至墨西哥灣海域，為熱帶魚類，體長可達12.5公分，棲息在底中層水域，生活習性不明。
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