阿氏偕老同穴（学名：Euplectella aspergillum），是一种属于六放海绵纲偕老同穴属的海绵。因为拥有二氧化硅质的骨针，也被称作玻璃海绵。常被用做观赏用途。英语俗名Venus' Flower Basket。

The Venus' flower basket, or Euplectella aspergillum is a hexactinellid sponge in the phylum Porifera inhabiting the deep ocean. In traditional Asian cultures, this particular sponge (in a dead, dry state) was given as a wedding gift because the sponge symbiotically houses two small shrimp, a male and a female, who live out their lives inside the sponge. They breed, and when their offspring are tiny, the offspring escape to find a Venus' flower basket of their own. The shrimp inside the basket clean it and, in return, the basket provides food for the shrimp by trapping it in its tissues and then releasing wastes into the body of the sponge for the shrimp. It is also speculated that the bioluminescent light of bacteria harnessed by the sponge may attract other small organisms which the shrimp eat. In Japan they symbolise the idea "till death us do part".