Kuna iya tunanin a cikakken m kifi, waɗanda suke da fata mai haske da za ku iya ganin abin da ke cikin su. Ko da yake yana iya zama da wuya a yi imani, akwai wasu nau'ikan de peces tare da cikakken m jiki. Kuma ko da yake ba a saba samun su ba, tunda galibi ana amfani da su wajen nazarin kimiyya, bari in gaya muku cewa akwai su.
Ofaya daga cikin waɗannan kifaye masu haske shine Sha'ir, wanda aka gano a shekarar 1939, amma sai a shekara ta 2004 ne masana kimiyya suka yi nasarar tattara isassun bayanai kan wannan nau'in. A waccan shekarar, masana kimiyya daga MBARI, Monterey Bay Aquarium Research Institute, suka sami damar yin rikodin wannan samfurin. Barreleye ya kasance yana da cikakkiyar sashi bayyananniya na kansa, yayin da jikinshi ɗaya yake da na kowane irin kifi na yau da kullun.
Wani daga cikin kifin da yake wanzuwa an san shi da sunan kifin kristal, wanda ke rayuwa a cikin ruwan zafi na wurare masu zafi. Kodayake mutane da yawa basu san shi ba, wannan nau'in kifin ya zama ɗayan shahararrun kifayen da ke cikin akwatin kifaye. Idan kuna shirin neman kifin wannan nau'in, Ina ba da shawarar ku tashe su cikin rukuni, tunda samun su duka suna iyo tare yana da kyau ƙwarai.
Idan kuna sha'awar irin wannan de peces m, yana da mahimmanci ku san Kifin Gilashin Indiya, wanda ke zaune a cikin ruwa mai daɗi kuma yana iya rayuwa a cikin akwatin kifaye. Yana da mahimmanci a yi taka tsantsan lokacin samun wannan nau'in tunda yawanci suna allurar launuka don sa su zama masu ban mamaki, amma wannan yana haifar da allergies da cututtuka kawai.