Coral Bleaching & Starfish Infestation

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)

Bleached coral from El Nino effect.
Bleached coral from El Nino effect. bleaching dead death dying environment dead coral bleaching white Environment |Bleached coral from El Nino effect.

Porites coral (Poritidae sp.) with evidence of coral bleaching and algae growth.
Porites coral (Poritidae sp.) with evidence of coral bleaching and algae growth. damage balding regrowth bleached rounded Hard Corals |Porites coral (Poritidae sp.)

Acropora Coral showing the full coral bleaching cycle with living, bleached and algae coated coral.
Acropora Coral showing the full coral bleaching cycle with living, bleached and algae coated coral. Hard Corals |Acropora Coral showing the full coral bleaching cycle with living, bleached and algae coated coral.

Pocillopora Coral (Pocillopora Eydouxi) showing the effects of coral bleaching.
Pocillopora Coral (Pocillopora Eydouxi) showing the effects of coral bleaching. Hard Corals |Pocillopora Coral (Pocillopora Eydouxi)

Coral reef devestated by Crown of Thorns Starfish (Acanthaster planci)
Coral reef devestated by Crown of Thorns Starfish (Acanthaster planci) sharp pointed defense defend dangerous point spikes spiked dead death destroyed destruction damaged sea star seastar Various Invert |Coral reef devestated by Crown of Thorns Starfish (Acanthaster planci)

Acropora Coral (Acropora longicyathus) showing effects of coral bleaching.
Acropora Coral (Acropora longicyathus) showing effects of coral bleaching. vertical damage Hard Corals |Acropora Coral (Acropora longicyathus)