Redtail Triggerfish - USA Ecsenius This Duncan has huge polyps

This Duncan has huge polyps where the tentacles can extend out several inches

This allows them to blend into sponges

This makes it important to actively supplement its diet in well-established aquariums

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Redtail Triggerfish - USA Ecsenius This Duncan has huge polypsXanthichthys ringens Triggerfish are very unique in appearance and behaviors. They are most commonly known for being aggressive, however, there are some species that are considered only semi aggressive. Do not house with smaller or timid fish or they can become a snack. Aggression can be amplified in smaller tanks. Since they like to pick on smaller sessile invertebrates, they are not considered reef safe. To make the Triggerfish feel at home make