Macrocephenchelys Fowler, 1934

Lin, James, Shao, Kwang-Tsao & Smith, David G., 2018, The eel genus Macrocephenchelys (Anguilliformes: Congridae) in Taiwan, with description of a new species, Zootaxa 4454 (1), pp. 186-199 : 187-188

Genus Macrocephenchelys Fowler, 1934

Macrocephenchelys FoWler, 1934:275 (type species Macrocephenchelys brachialis FoWler, 1934 , by original designation).

Description. BODY MODeRATeLY eLONgATe TO eLONgATe, PReANAL LeNgTH LeSS THAN 35% TL; TAIL SLeNDeR BUT NOT gReATLY ATTeNUATeD. DORSAL fIN BegINS OVeR OR SLIgHTLY BeHIND PeCTORAL fIN. PeCTORAL fIN LONg AND WeLL DeVeLOPeD, ABOUT 40–60% HL. HeAD MODeRATe; SNOUT SHORT, OVeRHANgINg LOWeR jAW; UPPeR LABIAL fLANge ABSeNT; ANTeRIOR PART Of UPPeR LIP CONTAININg SeCOND AND THIRD INfRAORBITAL POReS SOMeWHAT LOBe-LIKe IN fORM. GILL OPeNINg SMALL. MOUTH SMALL, RICTUS UNDeR MID-eYe. ANTeRIOR NOSTRIL TUBULAR, NeAR TIP Of SNOUT, DIReCTeD ANTeROLATeRALLY; POSTeRIOR NOSTRIL eLLIPTICAL, IN fRONT Of eYe, AT OR SLIgHTLY ABOVe MID-eYe LeVeL.

TeeTH SMALL, CONICAL, MULTISeRIAL, fORMINg gRANULAR PATCHeS, eMBeDDeD IN A fLeSHY MATRIx.

HeAD POReS SMALL BUT WeLL DeVeLOPeD ( FIg. 1 ). THRee SO POReS, NeAR TIP Of SNOUT; fIRST ON eDge Of LIP NeAR ANTeRIOR eND Of SNOUT; SeCOND IN fRONT Of ANTeRIOR NOSTRIL; THIRD ABOVe ANTeRIOR NOSTRIL. FIVe IO POReS; fIRST BeHIND MIDDLe Of ANTeRIOR NOSTRIL; SeCOND AND THIRD ON LOBe-LIKe PORTION Of UPPeR LIP; fOURTH ON POSTeRIOR PART Of UPPeR LIP; fIfTH BeHIND RICTUS; NO POReS BeHIND eYe. POM CANAL WITH fIVe OR SIx POReS, TWO OR THRee IN MANDIBULAR SeCTION AT ANTeRIOR eND Of LOWeR jAW AND THRee IN PReOPeRCULAR SeCTION. ONe OR NO ST POReS. SMALL fLeSHY PAPILLAe ON LOWeR jAW AND SOMeTIMeS DORSALLY ON HeAD. SOMe SPeCIeS WITH SMALL SeNSORY PITS ON VeNTRAL SURfACe Of HeAD AND ABDOMeN.

Figures

FIGURE 1. Location of head pores in Macrocephenchelys.