Beast of the Month: Nemo
Yellow fin Clown Fish/Clarks Anemone Fish
Size: up to 16cm
Colour: Distinct black, 3 horizontal bands. yellow fins
Tail Fin: Shallow fork
Females larger than males.
All start out life as males and become female (Protantric hermaphrodism).
If female dies, the next dominant male becomes female. Agressive territorial defenders - will bite divers.
Mutualistic beneficial (symbiosis) relationship with several anemones: young fish become desenistised to amenemones stings and are covered in protective mucus, both parties benefit from the relationship. The fish is protected whilst they clean and fertilise the anemone.