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Animal Life in Relationship
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algae America amongst anal fins animals aquaria aquarists aquarium specimens aquatic Asia Atlantic beautiful belong best known black spots blue body bony bottom brown carnivorous characins characteristic cichlid colour common commonly found coral reefs covered Crab crustaceans cyprinid depths dorsal fin easily eggs euryhaline fauna filter fishes live floating flowers fresh water freshwater genus gill Gobies green greenish grey grow growth head Indian Ocean Indo-Pacific invertebrates larger larvae leaves length light male fish marine Mediterranean molluscs mouth numerous organisms oxygen ozone Pacific Pacific Ocean patches pectoral fins pelvic fins placed plankton plants polyps Posidonia pump rays Red Sea rivers rocks salt sand scales sea anemones sea water sea-bed serranids shape shell side similar skeleton skin smaller snout species spines sponges stones stripes submerged suitable surface tail fin tank teeth temperature tentacles Top left tropical seas varied vertical Wrasse yellow