Biologists would be forgiven for thinking ….
	And for zooplankton
	greyscale to avoid embarrassment
	Modellers have been studiously avoiding behaviour
	individuals count and influence the large scale distribution
	But modelling all individuals is unfeasible
	especially in 3d
	Very early days but some progress is being made.
	DESCRIBE
	Individual model
	in turbulence
	congregate or split depending on strength
	swim to or from neighbour depending on proximity
	Continuous model
	based on ideas from statistical physics
	GOOD AGREEMENT
	TRANSFER OF IDEAS, PATCHINESS NOT JUST PLANKTON…