Coral Bleaching & Starfish Infestation

Northern Pacific Sea Stars (Asterias amurensis) foraging across sand flats. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems.
Northern Pacific Sea Stars (Asterias amurensis) foraging across sand flats. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems. starfish seastar arm arms crawl crawling danger orange yellow purple mauve grow growing growth re-grow re-growing stump stumpy survive survival surviving feeding feed frenzy mass many group together same identical similar orgy glutton gluttony arm arms five 5 Various Invert |Northern Pacific Sea Stars (Asterias amurensis)

Northern Pacific Sea Stars (Asterias amurensis) foraging across sand flats. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems.
Northern Pacific Sea Stars (Asterias amurensis) foraging across sand flats. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems. starfish seastar arm arms crawl crawling danger orange yellow purple mauve grow growing growth re-grow re-growing stump stumpy survive survival surviving feeding feed frenzy mass many group together same identical similar orgy glutton gluttony arm arms five 5 Various Invert |Northern Pacific Sea Stars (Asterias amurensis)

Northern Pacific Sea Stars (Asterias amurensis) clumped together while competing for food. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems.
Northern Pacific Sea Stars (Asterias amurensis) clumped together while competing for food. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems. starfish seastar arm arms crawl crawling danger orange yellow purple mauve grow growing growth re-grow re-growing stump stumpy survive survival surviving feeding feed frenzy mass many group together same identical similar orgy glutton gluttony Various Invert |Northern Pacific Sea Stars (Asterias amurensis)

Northern Pacific Sea Stars (Asterias amurensis) clumped together while competing for food. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems.
Northern Pacific Sea Stars (Asterias amurensis) clumped together while competing for food. Introduced to Australasian waters via ship's water ballast containing sea star eggs. With no natural predators in southern waters this species has exploded in numbers, causing serious environmental problems. starfish seastar arm arms crawl crawling danger orange yellow purple mauve grow growing growth re-grow re-growing stump stumpy survive survival surviving feeding feed frenzy mass many group together same identical similar orgy glutton gluttony Various Invert |Northern Pacific Sea Stars (Asterias amurensis)

Algae growth on coral head where Crown Of Thorns Sea Star (Acanthaster planci) predation has occured.
Algae growth on coral head where Crown Of Thorns Sea Star (Acanthaster planci) predation has occured. environment hard corals reef weed covered cover regrow regrowth clump clumps cluster clusters partial Environment |Algae growth on coral head where Crown Of Thorns Sea Star (Acanthaster planci)

New hard coral growth on old coral reef covered in algae after Crown Of Thorns Sea Star (Acanthaster planci) predation.
New hard coral growth on old coral reef covered in algae after Crown Of Thorns Sea Star (Acanthaster planci) predation. environment hard corals reef weed covered cover regrow regrowth clump clumps cluster clusters Environment |New hard coral growth on old coral reef covered in algae after Crown Of Thorns Sea Star (Acanthaster planci)

Acropora coral showing areas of coral bleaching.
Acropora coral showing areas of coral bleaching. environment environmental bleach bleached dead death decay decompose decaying decomposing rot rotting rotten coralreef coral-reef reef temperature skeleton bleach bleached polyp polyps branch branches branched |Acropora coral showing areas of coral bleaching.