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Aggressive Marine Fish

192 products
Red Diana Hogfish
(Bodianus diana)
Starting at $69.99
…the dorsal fin.A 150 gallon or larger aquarium with plenty of hiding places provides a good environment. It is very aggressive and should not be housed with smaller, docile fish that are easily bullied.Red Diana Hogfish diet consists of meaty foods such as snails, worms, mussels, and small…
Azure Damselfish
(Chrysiptera hemicyanea)
Starting at $7.99
…as the Half-blue Damselfish, is a two-tone, darting marine fish. The front portion of the body is bright blue. The posterior portion, anal fin, and tail are yellow. There is a species variation in the amount of yellow on the body of the fish. (Some call C. parasema the Azure Damselfish, however,…
Spanish Hogfish
(Bodianus rufus)
Starting at $39.99
…violet scale margins.It is a beneficial fish for cleaning parasites off of its tank mates. The Spanish Hogfish will need to be kept in a 150 gallon or larger fish-only tank, or the reef will become its buffet. It is aggressive towards smaller, docile fish that are easily bullied.The mature adult…
Six Line Wrasse
(Pseudocheilinus hexataenia)
Starting at $19.99
fish, especially if inadequately fed or if its habitat is void of places in which it can hide. The Six Line Wrasse diet should include vitamin enriched frozen mysis shrimp, vitamin enriched frozen brine shrimp, and other meaty foods along with a high quality marine flake and marine pellet…
Yellow Belly Regal Blue Tang
(Paracanthurus hepatus var.)
Starting at $54.99
…Yellow Belly Regal Blue Tang will demonstrate aggressive behavior towards other fish of its own species. To keep multiple specimens, introduce the entire lot at once into a larger marine system.Although Tangs will eat meaty foods along with the other fish in the aquarium, it is important that they…
Leaf Fish
(Taenianotus triacanthus)
Starting at $79.99
…be passive fish including other Leaf Fish. It has poison glands attached to the dorsal, anal, and pelvic spines.When first introduced into the aquarium, live saltwater feeder shrimp should be used to entice this fish to eat. The Leaf Fish diet consists of live foods such as feeder fish or small…
Pixy/Spotted Hawkfish
(Cirrhitichthys oxycephalus)
Starting at $23.99
…acceptable for this hardy and aggressive fish. It will harass small, peaceful fish and most any other fish that is introduced to the aquarium after it has become established. Its tank mates should be larger than itself and at least semi-aggressive. It will eat small fish and crustaceans.The Pixy…
Clown Tang
(Acanthurus lineatus)
Starting at $39.99
…properly oxygenated water. It is aggressive towards other Tangs, Surgeonfish, and fish with similar body shapes or feeding patterns.Although Tangs will eat meaty foods along with the other fish in the aquarium, it is important that they are offered plenty of marine based seaweed and algae. This will…
Harlequin Tusk
(Choerodon fasciatus)
Starting at $259.99
…wonderful fish for a FOWLR (Fish Only With Live Rock) aquarium. These fish are typically shy when at a small size, but will in time gain personality and confidence as they mature.A 125 gallon or larger aquarium with plenty of live rock for hiding places and moderately aggressive, active fish such as…
Macneill's Assessor Basslet
(Assessor macneilli)
Starting at $89.99
…of rock caves for hiding. Due to its aggression and being territorial, it is best to keep only one male Blue Assessor Basslet.As a carnivore, the Macneill's Assessor Basslet will thrive on a diet of meaty foods such as finely chopped fresh or frozen marine fish, squid, mysis shrimp, vitamin-enriched…
Hardwicke Wrasse
(Thalassoma hardwicke)
Starting at $34.99
…and bristleworms. It does not eat corals or live plants.Its natural diet consists of fish, crustaceans, motile invertebrates, and worms. The diet in an aquarium, should include a variety of feeder shrimp, marine flesh, frozen meaty preparations for carnivores, and flaked foods.Approximate Purchase…
Kent Marine Iodide
Starting at $7.99
…liquid iodide supplement for marine reef aquariums*Bio-available source of iodide for invertebrates & macroalgae*Safe form of iodide will not harm beneficial aquarium bacteriaAlthough present in salt mixes, iodide is rapidly used up by aquarium inhabitants and is aggressively removed through protein…
Innovative Marine Auqa Gadget Gourmet Grazer Seaweed Feeder
Starting at $19.99
…other freshwater and marine fish are natural "pickers". They graze 90% of their day picking at the surfaces of wood, corals and rock. It is important that they are offered plenty of seaweed and algae throughout the day. This will strengthen their immune system, reduce aggression and improve their…
Old Wife Fish
(Enoplosus armatus)
Starting at $379.99
…possibility of aggression. The first dorsal spine is venomous, causing reactions similar to a bee sting. To treat the sting, soak the affected area in hot water (100-110º F). The diet of the Old Wife Fish should consist of foods including chopped meats, scallops, shrimp, marine fish and dried…
Drs. Foster & Smith Fish Acclimation Kit
Starting at $3.99
…Keep aquarium lights off for at least four hours after the new arrival is introduced into the aquarium. Most invertebrates and marine plants are more sensitive than fish to changes in specific gravity. Please acclimate invertebrates to a specific gravity of 1.023-1.025 or severe stress or trauma may…