large mother-of-pearl scleropages jardinii fish underwater in an aquarium

large motherpearl scleropages jardinii fish underwater an aquarium exotic australian bonytongue closeup motherofpearl gulf saratoga freshwater australia new guinea arowana northern toga barramundi osteoglossinae jardini exposition complex fauna dnu dnipro national university ukraine water swim natural background floating bottom wild isolated zoo single one animal nature wildlife gray silver lake river papua