Cuttlefish

Sepia sp. cuttlefish are interactive cephalopods best kept in a species-focused aquarium where their natural hunting and camouflage behaviors can be observed up close. They can rapidly shift color and texture, hover and “cruise” using their finned mantle, and settle onto fine sand between bursts of activity.

What You’ll Observe:

• Pattern and color changes while it explores rockwork edges and open sand
• Quick “aim and strike” feeding using extendable tentacles
• Periods of stillness on the substrate followed by short, deliberate laps around the tank
• A recognizable feeding routine where it watches the room and reacts to movement

Provide a mature, well-filtered aquarium with fine sand and stable water quality, plus covered intakes and a secure lid. Offer appropriately sized live foods (and, over time, you can work toward non-living options) so it stays active and engaged at feeding time.

Do cuttlefish take frozen food, or do they need live prey?
Many start best on live foods, and some can be conditioned to accept non-living foods with a consistent routine and patience.

Is it normal for a cuttlefish to bury itself or sit still for long periods?
Yes’resting on the sand, partially burying, and “waiting” behavior are common between active hunting laps.

Can you keep more than one cuttlefish together?
Some keep small groups, but hobbyists usually plan extra space and visual breaks so animals can separate and settle into their own zones.

What should you do if the cuttlefish releases ink in the aquarium?
Most keepers focus on restoring clear water with fresh carbon, strong skimming, and a normal water-change schedule while keeping the environment calm.

How interactive are they with people’do they learn feeding routines?
Many learn a predictable feeding cadence and will track movement outside the glass, especially around their usual feeding times.

We work with trusted suppliers who keep our specimens healthy and well-fed before shipping.