ハイギョのゲノムから、ケラチン遺伝子の拡大を発見しました。ただ、両生類とは独立に重複しているようです。陸上適応したハゼのケラチン遺伝子と併せて解析しました。
Unveiling the expansion of keratin genes in lungfishes: a possible link to terrestrial adaptation https://t.co/Zq4L97Xorz
Today (Oct 15) is the Fossil Day in Japan! So happy that we published the Pleistocene sperm whale from Tokyo earlier this week! Here is the pdf:
https://t.co/9afLyKJXMS
A four-flippered striped dolphin was caught off the coast of Taiji, Japan in January 2023—this is the second individual dolphin with hind flippers captured off Taiji, the first being a bottlenose dolphin in 2006.
Short communication here: https://t.co/7fo3zlYsST https://t.co/3kA04tSe6X
The abstract doesn't state what characters were used, but there is a 1986 dissertation by the same author that I presume has the full analysis and character list. I will try to get my hands on a copy, but if anyone already has access let me know.
https://t.co/ISyraqNT7I
A New Shallow-water Species of the Genus Odontohenricia from Northern Japan (Asteroidea: Spinulosida: Echinasteridae)
#NewSpecies #SpeciesDiversity #starfish
The largest echiuran worm in the world!!!
Giant spoon worms pumped out of their deep burrows: First collection of the main bodies of Ikeda taenioides (Annelida: Thalassematidae: Bonelliinae) in 88 years
https://t.co/1wqPvTtu7i
https://t.co/viABxe45mu
Travisia sanrikuensis, a #NewSpecies of Travisiidae (#Annelida) from the Lower Bathyal Zone of the Northwestern Pacific
#Taxonomy #SpeciesDiversity #deepsea
硬骨魚の水晶体は球形で,遠近調節では厚さを変えるのではなく,眼球内で前後(角膜側⇔網膜側)に移動している。てな話は知ってたが,水晶体が水平に移動するものもいる?「魚眼の構造と機能」(高橋恭一 2020)より(下図も)。https://t.co/r6yTeLhIO6
*原図は Walls, G. L. 1942 https://t.co/G046Ngu8WB