saltwater
Blue-spotted Tuskfish
Choerodon cauteroma
Elongated, robust body with thick lips and prominent, forward-pointing canine teeth. The coloration ranges from greenish-brown to pinkish with rows of dark or blue spots along the body sides, and a distinct pale yellowish patch mid-body.
- Habitat
- Inshore and coastal waters, commonly associated with roc…
- Size & weight
- Typically reaches lengths between 30 to 50 cm, with a ma…
- Diet
- Carnivorous; feeds mainly on hard-shelled benthic invert…
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Physical characteristics
Elongated, robust body with thick lips and prominent, forward-pointing canine teeth. The coloration ranges from greenish-brown to pinkish with rows of dark or blue spots along the body sides, and a distinct pale yellowish patch mid-body.
Habitat & distribution
Inshore and coastal waters, commonly associated with rocky reefs, coral reefs, and seagrass beds in tropical to subtropical marine environments.
Behavior
Generally solitary and diurnal, active during daylight hours and resting in crevices or under ledges at night.
Diet
Carnivorous; feeds mainly on hard-shelled benthic invertebrates, using its powerful teeth and jaws to crush shells.
Reproduction
Sequential hermaphrodites, often starting as females and changing into dominant males later in life; they engage in broadcast spawning during specific reproductive seasons.
Ecological role
Acts as an important benthic predator, helping to control populations of hard-shelled invertebrates such as crabs, mollusks, and sea urchins, which helps maintain the balance of reef ecosystems.
Similar species
Other tuskfish species within the genus Choerodon, distinguished primarily by specific facial markings, spot patterns, and coloration details.
Identification tips
Look for the robust wrasse-like body shape, prominent protruding canine teeth, greenish-pink body with spotted patterns, and the distinct yellowish patch on the flank.
Interesting facts
Like many wrasses, tuskfish possess exceptionally strong pharyngeal jaws in their throat that allow them to easily crush hard shells, and they play a crucial role in bio-erosion and reef health.