科: Gobiidae
环纹竿虾虎为虾虎鱼科鱼类，除争夺藏身处外基本平和，原生分布于日本及西北太平洋。底栖栖息者，终日穿梭于岩石、缸壁与洞穴之间，造景决定它的性情。成体约 8.2–12.1 cm，成对或小群饲养，需提供充足藏身处，适宜水温 18–26 °C。一鱼一洞，万事大吉。
Chaenogobius annularis is a Gobiidae from Japan. In the wild it prefers shallow streams and estuaries over sand; in the aquarium it stays peaceful except over a chosen cave. Plan on 8.2–12.1 cm of adult fish at 18–26 °C. In a community tank it pairs well with Non-goby bottom fish.
中等难度，稳定水质比高端设备更关键。Peaceful except over a chosen cave，Pairs or small groups with ample hiding spots。
建议水温 18–26 °C，18–26 °C typical for the family；Stable temperate range。
成体约 8.2–12.1 cm；最小缸体 176 L，并留出活动空间。
Predatory bottom-picker; offer varied small fare。每天两小餐比一顿大餐更利于状态。
Peaceful except over a chosen cave；Pairs or small groups with ample hiding spots。理想混养对象：Non-goby bottom fish — Ignore its territorial posturing。需避开Large aggressive fish — Shatter its sense of cover。
原生于日本，栖息于Shallow streams and estuaries over sand。Still to gentle current，Moderate。
跳缸风险低，但加缸盖更稳妥。
人工环境下：Lays eggs in a sheltered cavity; males fan and guard。Males larger and more colourful。