I wont say the difference between cinnimon/Tomato, but I will post melenopuys/frenatus
From Fautin and Allen
A. frenatus
Original description: As Amphiprion frenatus, from specimens collected at Japan
Colour features and size: Adults with a single white head bar; females mainly blackish on sides with red snout,
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, belly, and fins; males considerably smaller than females and lacking blackish colouration -- being instead red overall; juveniles with two or three white bars. Maximum length about 140 mm.
Similar species: Amphiprion rubrocinctus (northwestern Australia) is very similar in colouration, but its white bar lacks the distinctive black outline of A. frenatus; the bar in females is poorly developed, has an irregular outline, and is sometimes discontinuous on top of the head; the smaller male generally has blackish sides. Small juveniles of A. frenatus and A. rubrocinctus are very difficult to separate; because they do not have overlapping distributions, geography is the best means of distinguishing them. Amphiprion melanopus (western Pacific) is also similar, but generally has a broader white head bar and specimens from most areas (except eastern Melanesia) have black pelvic and anal fins.
melanopus
Original description: As Amphiprion melanopus, from specimens collected at Ambon (Molucca Islands, Indonesia)
Colour features and size: Adults usually black on sides with reddish snout, belly, dorsal fin, and tail (sometimes pale yellow); pelvic and anal fins usually black; a single relatively broad white bar on head. Some individuals from the Coral Sea lack head bar; fish from the Fiji Islands and southeastern Polynesia entirely red except for white head bar; those from the Solomon Islands, Vanuatu, and New Caledonia have reduced black patch on the side. Maximum length about 120 mm.
Similar species: In the normal adult colouration, the black pelvic and anal fins easily distinguish A. melanopus from the other single-barred, red-finned species, A. frenatus (South China Sea to Japan) and A. rubrocinctus (northwestern Australia). However, Fijian and southeastern Polynesian specimens are readily confused with the red males of A. frenatus. The best means of separation is the pronounced black border on the margins (particularly the rear one) of the white head bar in A. frenatus, which is lacking in A. melanopus.
