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Marine Catfish (Plotosus lineatus)

Find Marine Catfish across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Marine Catfish
Photo: Diego Delso · CC BY-SA 4.0
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Where to buy Marine Catfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Marine Catfish

Elongated body with dark brown or blackish coloration and prominent white or cream-colored longitudinal stripes running the length of the body. Possesses venomous spines on the dorsal fin and pectoral fins, and has distinctive barbels around the mouth.

Key facts

Diet
carnivore
Origin
Indo-Pacific region, from the Red Sea and East Africa to Hawaii and Australia, found in coastal waters and coral reef environments.
Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Parasitic infestations
Diet Details
Feeds on small crustaceans, small fish, and meaty foods in captivity. Offer chopped shrimp, mysis, bloodworms, and small fish pieces. Nocturnal feeder that typically feeds at night.
Max Size
12
Difficulty Level
Moderate - The Coral Catfish. Venomous spines - handle with extreme care. Best suited for intermediate aquarists.
Care Requirements
• 75+ gallon tank for groups; nocturnal, hide during day • Tolerates 72-78°F, pH 8.1-8.3, moderate current • Prefers sand substrate and rocky caves for shelter • Feeds on small fish, shrimp, and meaty foods • Can be aggressive toward smaller tank mates at night
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Family
Plotosidae
Feeding Schedule
1-2 times daily
Care Level
Moderate
Notes
The Coral Catfish. Venomous spines - handle with extreme care. Will eat small fish and invertebrates. Often kept in schools.

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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