Amphibalanus improvisus

Bay barnacle

Small acorn barnacle with smooth white to gray plates, tolerates wide salinity, and colonizes hard substrates in estuaries and lagoons.

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Identity & Origin +

Common Name: Bay barnacle
Scientific Name: Amphibalanus improvisus
Realm: Saltwater
Biome: Seagrass Meadow
Date First Introduced: February 23, 2025

Population Dynamics +

Current Estimated Population: 1
Population Status: Uncertain

Trophic Ecology +

Trophic Level: Primary Consumer
Feeding Niche / Method: Filter feeder, eats plankton and organic particles
Dietary Inputs: Phytoplankton, suspended microbes, and fine organic particles

Section Notes

Trophic classification is Primary Consumer. Food-web role: Filter-feeding plankton consumer. Feeding method: Filter feeder, eats plankton and organic particles. Dietary inputs: Phytoplankton, suspended microbes, and fine organic particles

Environmental Tolerances +

Life Cycle & Reproduction +

Ecological Role & Symbiosis +

Marine/Saltwater

A marine meadow where seagrasses, macroalgae, grazers, filter feeders, worms, crabs, and small invertebrates compete over light, nutrients, and detritus.

Bay barnacle

Visual Data Unavailable

Section Notes

Classification Pending

Classification Pending

Biomes This Species Lives In

Seagrass Meadow

Bay Barnacles Recruit in the Seagrass Meadow

Related Subjects

Ecological Web

Energy Flow

Bay barnacle

Visual Data Unavailable

Biomes This Species Lives In

Bay Barnacles Recruit in the Seagrass Meadow

Ecological Web

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