Range and natural history
It occurs over mud and sand. These bottom types provide the principal habitat description in the reviewed source, which does not offer an extensive feeding or reproductive account. A specimen’s location and depth remain useful context when comparing it with related dragonets.
The FishBase account specifically reports the absence of the venom-associated glands described for some other fishes with opercular spines. A family resemblance should not be used to invent a venom claim for this species. Identification still depends on anatomical characters rather than that single feature.
Sources: Foetorepus agassizii species summary
