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What is the life cycle of a starfish?
Asked by anonymous -
This question can also be asked as:
How long do starfish eggs take to hatch?
How long do starfish eggsbtake to hatch?
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Fertilization takes place externally, both male and female releasing their gametes into the environment. A star fish can grow from a severed arm.
The fertilized eggs of starfish are released into the sea/ocean to float randomly until they develop into maturity. Starfish do not have any system of care for their progeny/offspring.
From Milander - Unasked.com
A crown of thorns starfish has spawning season between November-January while a regular starfish has a mating season between June-July.
From Caitlin Hare - Gulf Shores, MI - Unasked.com
What are Gametes and there function.
Food - Starfish Diet. From Wikipedia.
Deep blue starfish found off of Fiji, Linckia laevigata
Most species are generalist predators, some eating bivalves like mussels, clams, and oysters; or any animal slow enough to be unable to evade the attack (e.g. dying fish). Some species are detritivores, eating decomposed animal and plant material, or organic films attached to substrate. The others may consume coral polyps (the best-known example for this is the infamous Acanthaster planci), sponges or even suspended particles and planktons (starfish from the Order Brisingida). The process of feeding or capture may or may not be aided by special parts; Pisaster brevispinus or Short-spined Pisaster from the west coast of America may use a set of specialized tube feet capable of extending itself deep into the soft substrata, hauling out the prey (usually clams) from within.
From herghost - Unasked.com
After fertilisation, the egg develops from embryo to larva. Eats unicellular algae. Then as it drifts through the ocean the larva developes from gastrula to bipinnaria to brachiolaria. The larva develops a large sac type structure and looks for a place to settle. Larva changes to juvenile starfish over about 2 days. At 6 months it is about 1 cm and starts eating corals. Becomes sexually mature after its second year; has then grown to about 20 cm. At 3-4 years the fish is about 35 cm and is aging. The longest kept in captivity have survived as long as 8 years.
also there is the process of budding, were one arm of the starfish breaks of to form a new starfish while the host starfish regrows the lost arm. this is a result of mitosis