Longfin eel under surface, New Zealand

actinopterygii actinopterygii sp adult adults anguilliforme anguilliformes aquatic species atmosphere blue skies blue sky 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 good weather group groups image and subject individual individuals january landmass landmasses localisation localization location matter (substance) matters (substance) meteorological phenomena meteorological phenomenon month of year months of year motion motions natural area natural areas nature new world new zealand nice weather oceania osteichthyes osteichthyes sp over under image over under images over under photo over under photos over under shot over under shots over under sight over under sights over under view over under views ray finned fish ray finned fishes recording recordings river (stream) river fish river fishes rivers (stream) shoting shotings skies sky species species characteristic species characteristics species particularities species particularity stage of development swim swimming swimming (action) temperate freshwater fish temperate freshwater fishes texture textures time scale time scales water (matter) water surface water surfaces waters (matter) watersurface watersurfaces wild animal wild animals wild fauna wild faunae