FIGURE 4 in A review of 263 years of taxonomic research on Hypoplectrus (Perciformes: Serranidae), with a redescription of Hypoplectrus affinis (Poey, 1861)

FIGURE 4. Photographs and densities of all the species observed in Bocas del Toro (Panama). Densities from 50 transects covering 20,000 m2 of reef. From upper left to lower right: Hypoplectrus puella, H. nigricans, H. unicolor, H. affinis, H. aberrans, H. gummigutta, H. randallorum, H. guttavarius and H. providencianus. Hypoplectrus guttavarius and H. providencianus were not observed within the transects but one individual of each species was obseerved in Bocas del Toro between 2004 and 2013. Note that H. unicolor, H. aberrans, H. gummigutta, H. randallorum and H. guttavarius have visible implant elastomer tags in the base of the caudal fin. All photographs from Bocas del Toro and by OP.