Dierickx Katrien, Hanssens Mark, Rusuwa Bosco, Snoeks Jos
Ichthyology, Section Vertebrates, Department Biology, Royal Museum for Central Africa, Tervuursesteenweg 13, B-3080 Tervuren, Belgium.
Department of Biology, Chancellor College, University of Malawi, Zomba, Malawi.
Zookeys. 2018 Mar 14(743):153-166. doi: 10.3897/zookeys.743.22814. eCollection 2018.
A new species of , , is described from Lake Malawi. So far, it has only been found at Jafua Bay, Mozambique. It can easily be distinguished from by its molariform pharyngeal dentition. A morphometric study, including 24 measurements and 15 counts, was done to compare the new species with and . is characterised by its thick lips. This species further differs from by its bicuspid (vs. unicuspid) outer oral teeth, wide (vs. small) pharyngeal bone, and its head shape. It resembles , from which it can be distinguished by its straight to concave head profile (vs. rounded), less-developed pharyngeal bones (vs. hypertrophied), and the presence of small to minute teeth on the lateral parts of the dentigerous area on the lower pharyngeal bone. A key to the species of is provided.
描述了一种来自马拉维湖的新物种。到目前为止，仅在莫桑比克的贾富阿湾发现过。通过其臼齿状咽齿可以很容易地将其与其他物种区分开来。进行了一项形态测量研究，包括24项测量和15项计数，以将新物种与其他相关物种进行比较。该新物种的特征是嘴唇厚实。该物种与其他物种的进一步区别在于其双尖（而非单尖）的外侧口腔牙齿、宽阔（而非小）的咽骨以及头部形状。它与另一种物种相似，但可通过其笔直至凹陷的头部轮廓（而非圆形）、发育程度较低的咽骨（而非肥大的）以及下咽骨齿区外侧部分存在小至微小的牙齿来区分。提供了该物种的检索表。
