Planktonic species which has only been found in salt water.

A few of them are planktonic or live in association with other organisms.

Young are planktonic for one to several months before settling on the ground.

However, just how long these tiny animals can be considered truly planktonic is under some debate.

The larvae are planktonic and settle out after several months.

They become planktonic and pass through several developmental stages over the course of about twenty five days.

This is especially common in cold water species where planktonic larvae might not be able to find sufficient food.

The larvae are planktonic and drift with the water flow.

The larvae remain planktonic for a further two weeks.

The larvae undergo a planktonic development for 2-3 weeks, and settle after about 20 days.

Hyperiids are distinguished by their large eyes and planktonic habitat.

It has a planktonic larval stage and populations can grow fast.

Fish eggs cannot swim at all, and are unambiguously planktonic.

All species of marginellids have a direct development without a planktonic phase.

A week after spawning, the planktonic larvae appear in the water column.

He was considered a pioneer in research about planktonic foraminiferal ecology.

Little is known about the development of the veliger larvae but they may be planktonic for 4 or 5 months.

Fertilisation takes place in the water column and the larvae are planktonic.

Can we talk about a similar wail in the evolution of planktonic forams?

The diet is mainly bacteria or other planktonic material.

The eggs are relatively few and of a size which suggests that the planktonic larvae do not feed.

They begin their life cycle as a series of free-swimming planktonic larvae.

However, they are also observed to be planktonic.

Many settled bottom organisms use their tentacles to catch planktonic food.

The larvae of P. marmoratus are planktonic and may survive for up to 31 days.