Hammers Cobalt Lobster

Hammer’s Cobalt Lobster (Procambarus alleni – Cobalt Blue strain)

A bold, electric-blue freshwater crayfish prized for its intense coloration and hardy nature.

Quick facts
• Adult size: 5–6 inches
• Temperament: Semi-aggressive; territorial
• Tank size: 30+ gallons (larger if tankmates)
• Water: 68–78°F (20–26°C), moderate hardness, neutral pH
• Habitat look: Rocks, driftwood, caves, sand or gravel
• Diet: Omnivore—algae wafers, pellets, vegetables, frozen foods
• Notes: Will dig and may uproot plants; can prey on small fish/inverts

Best kept with: Fast, mid–upper level fish
Avoid: Shrimp, snails, slow or bottom-dwelling fish

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Domestic shipping only! Sorry, we cannot ship to anyone in Hawaii & Washington State.

We ship on Monday, Tuesday, and Wednesday via USPS Priority Mail. Once we get your order, we will ship it within 1 to 5 business days. For the safety of the animals, we do not ship aquatic life on Thursday and Friday. We do not want live aquatic animals sitting in USPS warehouse over the weekend. Thank you for your understanding.

Any orders placed before 12:00 PM on Tuesday will be shipped out that same week. orders placed after 12:00 PM on Tuesday will now be processed the following week

Male/Female: Will be picked at random (no custom orders)

Note: color may be slightly off from photo.

We placed a penny at the corner of the tank so you can have an idea of the size of the fish.

Guaranteed to arrive alive you have one hour of delivery to report any death. You must take a picture while the fish is dead in the bag before it’s opened.

Fish’s color might be off first 3 days due to shipping and stressed fish.

we do not refund shipping costs