Is that the same Plec in the third shot? I suspect it isn't, but it's difficult to gauge the size, or more importantly, the growth, of your Synodontis whateveryouregunnacallus (new class!). But his Dorsal Fin has certainly shot up.
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Angels, Black Mollies, Bristlenose', Clown Loaches, Cory Aeneus, Gibby, Guppies, Hockey-stick Tetras, Keyhole Cichlids, Otocinclus.