Grallenia Nigrifasciata
📖 Overview
Grallenia Nigrifasciata (Grallenia nigrifasciata) 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. 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: 9 - 10. This species is distinguished from its congeners by the following set of characters: dorsal rays VI + I,9-10 (usually 10), absence of elongate spines; anal rays I,9-10 (usually 10); pectoral rays 16-17 (usually 17); absence of pelvic frenum; absence of cephalic sensory canals and associated pores; total longitudinal scales 23-26 (mean 24), median row either continuous from behind pectoral-fin base to caudal-fin base or interrupted below first dorsal fin by scaleless gap; main mass of body scales extending forward from caudal-fin base to below anterior portion of second dorsal fin; colour in alcohol pale yellowish and mainly unmarked except three widely spaced, tiny brown spots or horizontally elongate streaks in mid-lateral row on side of body; clusters of melanophores on side and frontal region of head, and numerous, minute white spots covering abdominal region; fins semi-translucent except dorsal fins with pair of blackish basal stripes (merging to form broad, solid stripe on posterior half of first-dorsal fin); additional, narrow, poorly defined dark stripes on middle and outer portion of dorsal fins; and dense network of microscopic, brownish striations, giving overall dusky appearance to membranes of caudal, anal, and pelvic fins .: elongated; Cross section: oval.
🌀 Behaviour
Behavioural data for Grallenia Nigrifasciata is currently being reviewed.
🦐 Diet
Diet information for Grallenia Nigrifasciata is currently being compiled.
🥚 Reproduction
Reproduction data for Grallenia Nigrifasciata is currently being compiled.
🌍 Habitat & Distribution
Marine; reef-associated; depth range ? - 45 m . Tropical Indian Ocean: Indonesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
👥 Community & Contribute
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