Toyama Bay Firefly Squid — Blue Bioluminescent Spring Phenomenon

**Viewing tour logistics:** The museum's early morning boat tours (called 'Hotaruika Kansatsu,' 3:00am–5:00am) depart from Namerikawa Fishing Port aboard small boats (capacity 20–30). The boats travel 1–2km offshore where fishing nets are raised, bringing firefly squid to the surface. In darkness, the squid glow electric blue when disturbed — a mesmerizing effect. Tours last 60–90 minutes and are weather-dependent (cancelled in rough seas). Book 1 month ahead via museum website (Japanese only; hotel concierges can assist). **Peak timing:** Firefly squid season runs March to May, with peak activity in early-to-mid April during new moon phases (darkest nights). The bioluminescence is invisible in bright moonlight, so target nights 3 days before to 3 days after new moon. The museum publishes a seasonal forecast each year (available in February) predicting best viewing dates based on lunar calendar and past patterns. **Beach phenomenon (free alternative):** While boat tours offer the best bioluminescence, firefly squid sometimes wash ashore on beaches during peak nights, especially after storms or on new moon nights. Namerikawa's beaches (Higashihama Beach, 東浜海水浴場) are prime locations. Visit after midnight (1:00am–4:00am) in early April during new moon periods. Bring red-light flashlight (preserves night vision) and look for shimmering patches in wet sand and surf. This is free and spontaneous but highly unpredictable. **Firefly squid cuisine:** Toyama Bay firefly squid are a prized delicacy — served boiled with miso vinegar (nuta, ぬた), as sashimi, or tempura-fried. The entire squid is edible (including ink sac and organs), and the taste is rich, creamy, and slightly sweet. Try them at Namerikawa's coastal restaurants (¥800–1,500 per plate, March–May only) or Toyama City's izakayas. Shinminato's Kirari Market (新湊きっときと市場) sells fresh firefly squid in season (¥500–800 per 100g). **Museum exhibits (year-round):** Outside of squid season, the Hotaruika Museum offers aquarium displays (rare — firefly squid are difficult to keep alive in captivity) and bioluminescence simulation shows in a darkened theater. The exhibits explain the squid's biology, deep-sea habitat, and fishing industry. Worth a visit even off-season (¥570 off-peak / ¥770 peak season, open year-round except Tuesdays).