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Since no one else has mentioned this, I will. Brazilian ichtyologists Henrique R. Varella and Ricardo Britzke described 2 new apisto species collected on the PIPE Expedition at the same time as A. kullanderi:
Varell, H. R. & Ricardo Britzke. 2016. Apistogramma eleutheria and A. flavipedunculata, two new species of dwarf cichlids from the rio Caurá on Serra do Cachimbo, Brazil (Teleostei: Cichlidae). Ichthyol. Explor. Freshwaters. 27(1): 81-95.
A. eleutheria was listed as A. sp. Treze de Maio in the description of A. kullanderi. It appears to be more closely related to A. kullanderi and A. sp. Peixoto than other apisto species. It is smaller and nowhere near as colorful as A. kullander, more like A. sp. Peixoto. A. eleutheria is only known from the Rio Treze de Maio.
A. flavipedunculata was listed as A. sp. upper Caurá in the description of A. kullanderi. It appears to be a Xingu-complex species that is distinguished from other species by the lateral band fading out in the caudal peduncle, which is covered by a yellow color. It also has 4 anal fin spines instead of the more typical 3 spines. A. flavipedunculata is only known from upper Rio Caurá, where it occurs together with A. kullanderi.
Two other new apisto species are mentioned, but not described due to small sample sizes or only young specimens. A. sp. Jamanxim is closely related to A. flavipedunculata, but lacks the yellow caudal peduncle and only shows 3 anal fin spines. So far it is only known to occur in the Rio Jamanxim. The other species, which they labeled A. sp. middle Caurá, appears to belong to the resticulosa-complex. Although specimens are small, they look like many of the forms of A. taeniata, but can be distinguished by showing a prominent black blotch below the posterior edge of the mouth. It is so far only found in the middle Rio Caurá.
Varell, H. R. & Ricardo Britzke. 2016. Apistogramma eleutheria and A. flavipedunculata, two new species of dwarf cichlids from the rio Caurá on Serra do Cachimbo, Brazil (Teleostei: Cichlidae). Ichthyol. Explor. Freshwaters. 27(1): 81-95.
A. eleutheria was listed as A. sp. Treze de Maio in the description of A. kullanderi. It appears to be more closely related to A. kullanderi and A. sp. Peixoto than other apisto species. It is smaller and nowhere near as colorful as A. kullander, more like A. sp. Peixoto. A. eleutheria is only known from the Rio Treze de Maio.
A. flavipedunculata was listed as A. sp. upper Caurá in the description of A. kullanderi. It appears to be a Xingu-complex species that is distinguished from other species by the lateral band fading out in the caudal peduncle, which is covered by a yellow color. It also has 4 anal fin spines instead of the more typical 3 spines. A. flavipedunculata is only known from upper Rio Caurá, where it occurs together with A. kullanderi.
Two other new apisto species are mentioned, but not described due to small sample sizes or only young specimens. A. sp. Jamanxim is closely related to A. flavipedunculata, but lacks the yellow caudal peduncle and only shows 3 anal fin spines. So far it is only known to occur in the Rio Jamanxim. The other species, which they labeled A. sp. middle Caurá, appears to belong to the resticulosa-complex. Although specimens are small, they look like many of the forms of A. taeniata, but can be distinguished by showing a prominent black blotch below the posterior edge of the mouth. It is so far only found in the middle Rio Caurá.
