beautiful african red knob sea star in closeup, tropical starfish specie from the indo-pacific ocean

africa african animal animals beautiful bottom closeup colorful dweller dwelling exotic fish fishes gray grey ground indo indopacific knob knobbed life linckii marine ocean oreasteridae pacific pet pets protoreaster red reef reefs sea specie species spine spined spiny star starfish starfishes stars trade tropical tubercle tubercles underwater vibrant vivid water white