Longfin eel under surface, New Zealand

actinopterygii actinopterygii sp adult adults anguilliforme anguilliformes aquatic species body of water bony fish bony fishes cold freshwater fish cold freshwater fishes continent continental area count counting description descriptions ecosystem ecosystems eel eels enumeration enumerations fish (animal) fishes fishes characteristic fishes characteristics fishes particularities fishes particularity freshwater freshwater fish fresh water fish freshwater fishes fresh water fishes freshwater species fresh water species freshwater wetland area freshwater wetland areas freshwater wetland zone freshwater wetland zones freshwaters group groups image and subject individual individuals january landmass landmasses localisation localization location matter (substance) matters (substance) mineral matter mineral matters month of year months of year motion motions natural area natural areas nature new world new zealand oceania osteichthyes osteichthyes sp photos under the water ray finned fish ray finned fishes recording recordings river (stream) river fish river fishes rivers (stream) rock (stone) rock fragment rock fragments rock piece rock pieces rocks (stone) rocks fragments rocks pieces seen under the water shoting shotings species species characteristic species characteristics species particularities species particularity stage of development subaquatic image subaquatic photos subaquatic sights submarine images submarine photo submarine photographies submarine photography submarine photos submarine sight submarine sights swim swimming swimming (action) temperate freshwater fish temperate freshwater fishes texture textures time scale time scales underwater underwater shot underwater shots underwater view underwater views underwaterphoto underwaterphotographies underwaterphotography underwaterphotos underwaterpicture underwaterpictures water (matter) water surface water surfaces waters (matter) watersurface watersurfaces wild animal wild animals wild fauna wild faunae