Lepidotrigla, Gunther, 1860

Gomon, Martin F. & Kawai, Toshio, 2018, A review of Indonesia’s Indian Ocean species of Lepidotrigla gurnards (Teleostei: Scorpaeniformes: Triglidae) with descriptions of three new species from southern coastal waters, Raffles Bulletin of Zoology 66, pp. 624-651 : 626-627

Key to Indian Ocean species of Indonesian Lepidotrigla

1. Pectoral fin tip reaching base of tenth to fourteenth anal fin ray; no (rarely one or two) scales on predorsal midline.......... ......................................................................... L. cf. japonica *

– Pectoral fin tip reaching base of third to seventh anal fin ray; 3–8 scales on predorsal midline ............................................2

2. Second spine of first dorsal fin very elongate, length 113–139% length of third spine; lateral line with 62–67 scales................ ...................................................... L. macracaina new species

– Second spine of first dorsal fin shorter than or only slightly longer than third spine, length 91.3–109% length of third spine; lateral line with 56–61 scales .................................................3

3. First free pectoral fin ray distinctly shorter than pectoral fin, length 74.5–89.9% pectoral fin length, pectoral fin length 33.1–38.4% SL, tip reaching base of fifth to seventh anal fin ray; rostrum usually with prominent forward directed blade-like spine at each corner often mounted on somewhat triangular base ..................................................................... L. longipinnis

– First free pectoral fin ray slightly shorter than to distinctly longer than pectoral fin, length 95.9–112% pectoral fin length, pectoral fin length 27.5–32.1% SL; pectoral fin reaching base of third or fourth, rarely fifth anal fin ray; rostrum with triangular spine of small to moderate size at each apical corner...........4

4. First free pectoral fin ray extending distinctly past tip of pelvic fin, first free ray obviously longer than pectoral fin, length 106–112% length of pectoral fin .. L. tanydactyla new species

– First free pectoral fin ray not or just reaching tip of pelvic fin, first free ray shorter than, equal to or only slightly longer than pectoral fin, length 95.9–106% length of pectoral fin ...........5

5. Inner surface of pectoral fin blackish with two transverse rows of large darkly ocellated milky blue spots; spots obscure in preserved specimens.................... L. maculapinna new species

– Inner surface of pectoral fin dark greenish brown with large black patch covering ventral third to half of fin from base to distal margin, prominent white spots scattered over all but red marginal areas of fin, spots persisting in preserved specimens.............................................................. L. spiloptera