Kope = Greek for
"oar" Podos = Greek for "foot" )
of Copepoda Introduction to Copepods
A Harpacticoid Identification Key
- Harmless detrivores. (some are carrying eggs as
- Harmless phytoplankton grazers and are what I
believe to be the best food source when trying to rear shrimp larvae as
this group does not crawl the glass or sand and remains in mid-water
which makes them available to free swimming, plankton larvae as a food
source. I find these copepods in huge swarms during the day out on the
reef's kelp beds, making collection of them very easy. I believe this
family of copepods is available for purchase.
Compared to other copepod species, these can appear quite large and are
a very important food source for many fish. The small copepod shown
below in the first photo is an adult Cyclopoida species as a size
The AMPHIPODS (
= Greek for "both sides" Podos = Greek
- Amphipod Identification Key
Skeleton Shrimp )
: Head structures
(An amphipod) -
Can be difficult to identify as they resemble Isopods.
- ( Iso = Greek for "uniform or the
same" Podos = Greek for "foot" )
Some species of this
family group are parasitic / predatory. Any large specimens should be
Additional Links - Parasitic
The Cirolanid family
of Isopods, Some Cirolanid species are obligate parasites, other
species are strictly scavengers, and some are a combination of both.
The vast majority of Cirolanids seen in the aquarium hobby seem to be
obligate parasites of fish.
The Sphaeromatidae family
of Isopods, considered harmless in the reef aquaria.
An Anthurid Isopod
- Carrying its young. Most likely a predator of other small
- These are animals related to mysids, tanaids, ispods, etc.,
that are specialized to live in sediments and most appear to eat