aquarium caudal dorsal eyes fin fish gill Gills head mouth nature ocean pectoral sea spiny swim swimming water barb biotope fish tank freshwater fish freshwater tank garra garra fish garra flavatra leaf leaves panda garra plant rainbow garra rock stone under sea view under water under water world animal blue Chrysaora Cnidaria float fuscescens gelatinous jellyfish orange tentacle translucent aqua cluster deep deepsea dive diving fishes school scuba snorkel snorkeling under underwater window aquatic beach brackish fresh freshwater h2o life mammal reef river seal beluga whale animals blues brine briny dark fishmonk fishy hue natural salty undersea colorful colourful corals saltwater sealife seawater tank tropical zoo Camouflage exotic eye fins floating lionfish nose nostril ornamental ornate Pterois showy spines striped