Gray reef shark with remora, Papua New Guinea, Pacific

animal themes animals hunting animals in the wild aquatic blue background carcharhinidae carcharhiniformes carcharhinus amblyrhynchos cartilaginous fish chondrichthyes color image danger day elasmobranch english reef fin fish full length gray reef shark ground sharks horizontal indo pacific ocean inglis shoal kimbe bay motion nature new britain no people ominous one animal outdoors papua new guinea pectoral fins photography predator reef sharks remora requiem sharks sea life shark side view swimming symbiotic relationship threatened species underwater wildlife