A new Synbranchus (Teleostei: Synbranchiformes: Synbranchidae) from ilha de Marajó, Pará, Brazil, with notes on its reproductive biology and larval development

synbranchus lampreia, new species, is described from rio goiapi, marajó island, pará, northern brazil. it differs from the other two described species of the genus by its color pattern, which consists of large roundish black blotches scattered over a light brown or yellowish ground pigmentation and presence of inconspicuous brown small spots distributed among the large dark spots. the species is further distinguished from s. marmoratus by a higher number of vertebrae and from s. madeira by a shorter postanal length. information about reproductive aspects is provided and larval stages are described and illustrated.