Grallenia Sundaensis

📖 Overview

Grallenia Sundaensis (Grallenia sundaensis) is a ray-finned fish. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 1.7 cm. It occurs at depths between 15 and 20 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 10. This species is distinguished from its congeners by the following set of characters: dorsal rays VI + I,9-10 (rarely 9), absence of elongate spines; anal rays I,10; pectoral rays 15-16 (mean 15.9); absence of pelvic frenum; absence of cephalic sensory canals and associated pores; total longitudinal scales 24-29 (mean 26.1), median row interrupted below first dorsal fin by scaleless gap; main mass of body scales extending forward from caudal-fin base to below dorsal-fin junction; colour in alcohol pale yellowish or tan without conspicuous markings, except black margin on anal fin of both sexes; few small clusters of melanophores on dorsal surface of head and small brown spots on side of head; and side of body with 4-6 widely spaced, tiny brown spots or horizontally elongate streaks in mid-lateral row and faint remnants of curved dark markings on the upper and lower caudal-fin base .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Grallenia Sundaensis is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; reef-associated; depth range 15 - 20 m . Tropical Indian Ocean: Indonesia.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

👥 Community & Contribute