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Old 09/18/2019, 01:47 AM   #1
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ThRoewer's Avatar
Join Date: Jan 2015
Location: Fremont, CA
Posts: 8,951
Percula at Tomini Bay, Sulawesi?

It seems that there are percula at Tomini Bay, Sulawesi, deep inside ocellaris territoy:
The sibling species A. ocellaris and A. percula show more or less the same colour pattern, although A. percula is described to have larger black bands in its colouration (Fautin and Allen, 1994), which could not be confirmed by our observations. There is rather a large variation: some specimens showing no black bands in their colouration while others do.
Morphologically, these two species are differentiated by the number of spines in the dorsal fin, but also this character is overlapping: A. ocellaris has 1011 and A. percula 910 spines.
The ecological requirements of both species seem to be identical; both of them prefer the same host anemone species (Heteractis magnifica and Stichodactyla gigantea). Regarding Fautin and Allen (1994) these siblings have an allopatric distribution (Fig. 2b), but Kuiter and Tonozuka (2004) reported both species in the Tomini Bay (Sulawesi), which indicates a parapatric distribution.
Janne Timm: Molecular ecology and evolution of anemonefishes (Amphiprion spp) in the Indo-Malay Archipelago, p25

These percula seem to belong to the Biak clade which is distinct from the New Britain - Solomon Islands clade:

Attached Images
File Type: jpg Ocellaris-Percula.jpg (77.2 KB, 36 views)
Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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